Roses - State by State Garden

Best Roses for Colorado

Roses in Colorado face a long, hard winter and a dry, bright summer, and the ones that thrive are the tough shrub types and a few repeat-blooming climbers. Fussier garden roses can still work, with some protection. Choosing the type before you choose the color saves the most trouble.

Best Roses to Grow in Colorado

Hardy shrub roses hold up best here, because they take cold and little care in stride, while hybrid teas and grandifloras need extra protection to get through winter. USDA hardiness zones in Colorado run from 3b to 7b, so the cold you plan for depends on where you garden.

Hardy Shrub Roses

Many shrub roses are hardy and vigorous and need little care under severe conditions. Knock Out and the Explorer series perform well in Colorado without extra winter protection.

Hybrid Rugosa and Kordesii Types

Of the main divisions of shrub roses, hybrid kordesii, hybrid rugosa and plain shrub roses have adapted cultivars. Choose from these groups when you want a rose that shrugs off cold and asks for little in return.

Simplicity and Meidiland Series

Simplicity roses are shrub roses that repeat bloom the entire growing season and resist pests and disease. The Meidiland series is also useful in the landscape. Both suit a yard where you want color without constant spraying.

Repeat-Blooming Large-Flowered Climbers

Climbing hybrid teas and climbing grandifloras are generally not recommended for most of Colorado, because most bloom only on the previous year’s growth. Repeat-blooming, large-flowered climbers do well here. Most bloom on the current year’s growth, which means a hard winter does not take the flowers with it.

Hybrid Teas and Floribundas

The hybrid tea is a widely grown garden rose, and floribundas, a cross between a hybrid tea and a polyantha, typically repeat bloom each season. Both reward you, but they need winter protection in cold winters. Mound soil over the crown before the deep freeze.

Miniature Roses

Miniatures are naturally dwarf roses and remain popular in small garden spaces. A pot or a narrow bed holds one easily, which makes them a good fit for a patio or a small front yard.

How to Choose a Rose for a Colorado Garden

Start with the winter you actually get and the time you actually have. A rose that needs mounding every fall suits a gardener who enjoys the chore. A hardy shrub rose suits everyone else.

Once-blooming roses, such as old garden roses, ramblers and many climbers, flower on last year’s wood. Prune them right after they bloom, never in early spring, or you cut off the season’s flowers.

Your situation	What suits it in Colorado	Why
Very cold winters	Hardy shrub roses, hybrid rugosa or kordesii types	Hardy shrub roses can handle severe conditions with little care
Little time to spare	Knock Out or the Explorer series	Hardy and able to perform without extra winter protection
Small space	Miniature roses	Naturally dwarf and popular in small garden spaces
A fence or trellis to cover	Repeat-blooming large-flowered climbers	Most bloom on new wood and flower repeatedly
You want classic cut flowers	Hybrid teas, floribundas	Popular and repeat blooming, but they need winter protection

Buying bare-root? Plants on their own roots and graded Number 1 are the best. Plant them in April or May, as soon as the ground can be worked.

Which Roses Suit Different Parts of Colorado

Colorado’s elevation strongly shapes the choice, so match the rose to the cold your own spot gets.

Denver and the Front Range: Sitting at 5,280 feet on the plains, this area supports choices ranging from hardy shrubs to hybrid teas with winter mounding.
Mountain towns: Seasons run far shorter and frost can arrive in July, so lean on hardy shrub roses and skip tender types.
The Western Slope: Conditions differ again from the plains, so ask a local grower which cultivars have held up in your valley before you buy.

Whatever your elevation, a rose labeled hardy to your USDA zone is a safer buy than one chosen on looks alone.

Rose Buying Mistakes to Avoid in Colorado

Choosing a Type Too Tender for Winter

Hybrid teas and grandifloras often need extra winter protection, and without it they can die back hard. Either plan to mound soil eight to ten inches deep over the crown around Thanksgiving, once nights drop to 20°F for several days, or pick a hardy shrub rose instead.

Buying a Climber That Blooms on Old Wood

A climbing hybrid tea may leave you with a handsome green plant and no flowers, since many bloom only on the previous year’s growth. Buy a repeat-blooming, large-flowered climber that flowers on new wood instead.

Ignoring Disease and Pest Resistance

A rose that needs constant care becomes a chore fast. Series bred to resist pests and disease, such as Simplicity, keep the work down. Matching a tough variety to your summer saves spraying later.

Where to Get Rose Advice in Colorado

Colorado State University Extension publishes rose guides written for the state’s conditions, and your county office knows which cultivars survive in your own elevation and soil.

The state extension site has guides on selecting, planting, pruning and winter care, useful before you shop in spring.
Your county extension office can answer local questions, so ask before you begin pruning or planting.

Common Questions

When Should You Prune Roses in Colorado?

Repeat-blooming roses such as hybrid teas, floribundas and modern shrub roses are best pruned in April, and May also works.

When Should You Feed Roses in Colorado?

May through July suits feeding, and April or August also work. An all-purpose fertilizer such as 8-10-8 goes on every four to six weeks in the growing season. Stop after mid-August so late, soft growth does not meet the first frost.

When Do You Take Off Winter Protection?

April is the best month, and May also works. Remove it gradually once the danger of hard frost has passed.

Best Roses for California

Roses in California can bloom in a January garden on the coast and sit dormant under frost in a Sierra yard. Disease pressure matters as much as cold, because a rose that looks perfect in May can be covered in mildew by July. The roses that earn a spot here are the ones that stay clean and keep blooming with little fuss.

Best Roses to Grow in California

Landscape shrub roses, floribundas and polyanthas hold up best in California because they resist the diseases that wreck fussier types. Heat is not the only challenge. Humidity is, since fungal trouble is more common in damp areas than in the dry interior valleys. Pick for disease resistance first and flower form second.

Floribundas and Polyanthas

In California, extension advice points to cluster-flowered floribundas and polyanthas as better landscape choices than hybrid teas and grandifloras. They bloom heavily and resist disease well, so they fill a front bed with color without much spraying.

Plant them where you want a mass of flowers rather than a few long-stemmed cuts.

Landscape Shrub Roses

Landscape roses, also called shrub roses, came from crossing with floribundas and were selected to work as flowering shrubs. They carry stronger disease and insect resistance and need less pruning than traditional garden roses.

Among the types that vary in mildew resistance, shrub roses rank among the more resistant. They suit a gardener who wants flowers without a weekend of maintenance.

Glossy-Leaved Hybrid Teas

Hybrid teas and grandifloras can be workable choices in the dry interior valleys, where diseases are less common. Look for glossy-foliaged varieties, which often resist powdery mildew well.

Skip the matte, soft-leaved kinds if your summers are damp.

Miniature Roses

Miniature roses are more prone to black spot than other types, so they ask for more care in California. A few varieties are reliably resistant to every strain of the disease.

Ask for those by name before you buy, and choose disease-resistant varieties whenever you plant.

Proven Named Varieties

For powdery mildew, California advice lists ‘Double Delight’, ‘Julia Child’, ‘Iceberg’ and ‘Sunshine Daydream’ among the roses that stay clean. ‘Simplicity’ and ‘Meidiland’ roses and Rosa rugosa varieties are on that list too.

Start your shopping with these names and you avoid the guesswork.

How to Choose a Rose for a California Garden

The right rose depends on how damp your summers run and how much time you want to spend. California covers frost-free coast and hard-freezing mountains, so match the rose to your own yard rather than to the state.

Freezes do occur in northern California, the Central Valley and the Sierra. Where late spring frosts are common, delay pruning until the danger passes.

Your situation	What suits it in California	Why
Humid summer	Landscape shrub roses, ‘Iceberg’, glossy-leaved hybrid teas	Humid areas see more disease, and these types resist mildew well
Dry interior valley heat	Hybrid teas and grandifloras are workable here	Diseases are less common in the dry interior valleys
Little time	Landscape shrub roses	They need less pruning and resist disease and insects
Mass of color in a bed	Floribundas and polyanthas	Profuse bloom and disease resistance suit landscape use

For a tight space, a miniature rose is an option, but choose a variety known to resist black spot.

Which Roses Suit Different Parts of California

The state changes the rose list less than it changes the care, so the differences below come down to disease pressure and frost.

Central Valley: Disease runs lighter in the dry interior, so hybrid teas and grandifloras have a fair chance here. Winter freezes still happen, which is the reason to prune on the later side of the winter window.
Los Angeles and the southern coast: No freeze occurs in an average year, so frost is usually less of a concern for what you plant than it is in colder parts of the state. Heat, drought and water restrictions matter more than frost here, so check a rose’s water needs before you buy.
Sierra Nevada: Freezes are part of the winter, and late spring frosts can follow a warm spell. Prune later here, and lean on shrub roses and floribundas for dependable bloom.

Check which of these describes your yard before you order, because a rose that thrives in one can struggle in another.

Rose Buying Mistakes to Avoid in California

Choosing a Disease-Prone Variety

A rose picked only for its flower can spend a humid summer fighting mildew and black spot. That costs you leaves, bloom and the time spent treating it.

Choose disease-resistant varieties when planting, and favor landscape shrub roses or glossy-leaved hybrid teas if your air stays damp.

Assuming the Whole State Is Frost-Free

The coast and the south stay frost-free, but northern California, the Central Valley and the Sierra freeze. Pruning too early in a frost-prone yard exposes fresh growth to a late spring cold snap.

Where late spring frosts are common, wait. In most of California, pruning belongs in winter before the buds swell.

Pruning a Once-Blooming Rose Like the Rest

Old garden roses, ramblers and many climbers flower once a year on last year’s wood. A winter pruning cuts off that year’s flowers.

Prune them right after they bloom, never in early spring, and save the winter shears for the repeat-blooming roses.

Where to Get Rose Advice in California

Local conditions vary so much that nearby advice is worth more than general rules. University of California Agriculture and Natural Resources runs the state’s extension network and a county office near you.

Your county extension office can tell you which roses do well in your own microclimate, and a visit in late winter fits the planting and pruning season.
The extension’s rose and disease guidance explains how to recognize mildew and black spot, and it helps most before you shop.

Call your county office with your ZIP code and a short list of the varieties you are considering.

Common Questions

When Should You Prune Roses in California?

Prune repeat-blooming roses such as hybrid teas, floribundas and modern shrub roses in January and February. It can also be done in March or December. Do it in winter before the buds swell, and later where spring frosts are common.

Can You Plant a Rose in Summer in California?

Container roses can go in through the summer. Bare-root roses do best in February and March, and in California, extension advice is to plant them in spring for the best establishment.

When Should You Feed Roses in California?

Feed in March and April, and again in September and October. For young plantings, California extension advice is 1 pound of nitrogen per 1,000 square feet, or proportionally less for a smaller bed, in spring and fall.

Best Roses for British Columbia

A rose that stays healthy without constant spraying usually starts with the choice made at the garden center in late winter. In British Columbia, that choice leans toward hardy shrub, rugosa and species roses, and toward disease-resistant varieties wherever summer air stays damp.

Best Roses to Grow in British Columbia

The roses that hold up here are the tough ones: shrub, rugosa, species and old garden roses, plus any variety bred to shrug off leaf diseases. Hardy choices cope with winter cold, while disease-resistant varieties stay healthier in damp summer weather.

Shrub Roses

Often called hardy shrub roses, these carry the scent and blooms people want without the upkeep of other roses. That makes them the easy starting point for a front yard or a mixed border.

Vancouver sits in Canadian hardiness zone 9a, a separate system from USDA zones that does not convert to them. Other districts of the province differ, so match the rose to your own garden.

Rugosa Roses

Rugosas can look like wild roses, and they behave like them too. They need less care than most garden roses, which suits a hedge or a corner that rarely gets attention.

Plant bare-root rugosas in February or March while they are dormant. Potted ones can go in later, up to early summer.

Species Roses

Species roses are the wild forms, and they live through hard winters unharmed. In colder pockets of the province, where a tender rose would need a mound of mulch, a species rose simply carries on.

Give them room, because they are shrubs and not tidy bedding plants.

Old Garden Roses

Many old garden roses are hardy choices for cold gardens. Once-blooming old garden roses flower on last year’s wood, so prune them right after flowering and never in early spring, or you cut off the season’s flowers.

Disease-Resistant Varieties

Whatever type you pick, look for varieties labeled disease resistant. In a damp summer, a resistant rose stays cleaner and needs fewer interventions than a susceptible one planted in the same bed.

Feed established roses from bud break, March through July, and ease off as growth slows in late summer.

How to Choose a Rose for a British Columbia Garden

Start with the problem your garden presents, whether that is a cold pocket, a damp corner or a bed that bakes in July. The right type follows from that, and a little thought now can prevent replanting later.

Hardiness matters most where winters bite, while disease resistance matters where air stays wet through summer.

Your situation	What suits it in British Columbia	Why
Very cold winter	Species roses, hardy shrub roses, many old garden roses	They live through hard winters unharmed, so they need little protection
Cold area with a tender rose	Mound loose mulch over the base in November or December	Mulch goes on once the plant is dormant, and only in cold areas
Humid summer	Disease-resistant varieties	They stay healthier when leaves stay damp
Heat and dry spells	Potted roses planted in early summer	Roots settle before the high temperatures of midsummer arrive
Little time	Shrub or rugosa roses	They do not require as much care as other roses

Small gardens are harder to answer in general terms. Ask a garden center which shrub or disease-resistant varieties stay compact enough for a tight bed, and check the mature size on the tag before buying.

Which Roses Suit Different Parts of British Columbia

British Columbia’s climate varies sharply, so the same rose can be an easy choice locally and a gamble elsewhere.

Vancouver and the Lower Mainland: Winters here are milder than in many other parts of the province, so a wider range of roses is open to you, and the spring pruning and planting months run earlier than elsewhere.
Upland districts of the Interior: Spring arrives later here, so favor hardy shrub, rugosa and species roses and lean toward the later end of the pruning and planting months.
Peace River country and the north: Frost runs weeks behind the coast, which makes species roses and hardy shrub roses the safer bet, with mulch ready for dormant plants in November.

Wherever you garden, a neighbor’s thriving rose is a useful clue to what suits your own soil and exposure.

Rose Buying Mistakes to Avoid in British Columbia

A Tender Rose in a Cold District

A tender rose in an upland or northern garden can lose canes in winter and start the season from the base. Choose a hardy shrub, rugosa or species rose instead. If you already own a tender one, mound loose mulch such as shredded leaves or compost over the base in November or December, once the plant is dormant.

A Disease-Prone Variety in a Wet Summer

A disease-prone variety can shed foliage in a damp summer and may need regular treatment. Read the tag or ask the garden center staff, and pick a variety described as disease resistant. Spacing plants so air moves between them also helps leaves dry.

Feeding Late into Summer

Roses begin to go dormant as summer ends, and fertilizer at that point asks for growth the plant is trying to wind down. Start feeding at bud break and stop in late summer, in August at the latest.

Where to Get Rose Advice in British Columbia

British Columbia has no local extension page on rose timing. Confirm the timing for your own district with a local garden center, rose society, or provincial gardening group.

The British Columbia agriculture ministry publishes provincial growing information, and it is a good first stop before you plan a new bed.
A local rose society or master gardener group knows which varieties perform in your district, and its members are often most helpful in late winter before planting.
A neighborhood garden center can tell you what has done well locally and which bare-root roses have just arrived.

Common Questions

When Should You Prune Roses in British Columbia?

Repeat-blooming roses such as hybrid teas, floribundas and modern shrub roses are pruned in February or March. The job can also be done in April, around the time forsythia blooms. Waiting for mild weather avoids dieback that forces more pruning.

When Should You Plant Bare-Root Roses?

February or March suits bare-root roses, because dormant plants can build roots before spring growth begins. Roses that come in pots are more flexible. They can be planted later, into early summer.

Is March 18 a Safe Date to Set Out Roses in Vancouver?

No. That is the average date of the last spring frost, which means frost arrives later than that in one year out of two. Treat it as the middle of a window, and remember that northern and upland districts run weeks behind Vancouver.

Best Roses for Arkansas

A rose that keeps its leaves into winter and stays clean through a humid summer is a good thing to have by the mailbox. Arkansas gives roses a mild welcome, and the right type makes the rest easy. Disease-resistant shrub roses, Explorer roses and rugosas come closest to that picture, while hybrid teas ask for more work.

Best Roses to Grow in Arkansas

Disease-resistant shrub roses do well here, because winter rarely hurts them and the humid summer is what brings black spot. Roses are quite hardy in all parts of Arkansas, and they are often semi-evergreen most winters. USDA hardiness zones across the state run from 6b to 8a.

Compact Shrub Roses

One compact shrub rose recommended for Arkansas gardens resists black spot and does not need the yearly rigorous pruning that hybrid teas demand. You can still shape it as needed. For a first rose, or a bed you would rather not fuss over, this is a sensible place to start.

Explorer Roses

The Explorer group was bred for roses that are hardy, disease-resistant, repeat blooming and easy to start from cuttings. The flowers are mostly semi-double to double, lightly scented, and they come back through the season. Give them full sun and fertile, moist, well-drained soil.

Most are shrubs, but ‘Louis Jolliet’ is a climber and ‘Charles Albanel’ works as a groundcover.

Rugosa Roses

Rugosa is a hardy, multi-stemmed, disease-resistant shrub rose that spreads by suckers, so give it room. It tolerates drought and poor soil in full sun, which suits a bed that dries out in a hot summer. Many cultivars have single, semi-double or double flowers and fewer prickles.

Hybrid Teas

Hybrid teas are grown for large, fragrant, solitary blooms, and they are the type that pays for it in effort. They need a rigorous spray program to keep black spot at bay. If you love cut flowers and enjoy the routine, they are worth the trouble. Otherwise, other types offer great disease resistance.

Floribundas and Miniatures

Floribundas bear clusters of small flowers, and miniature roses carry small flowers on dwarf plants. Floribundas and miniatures fit beds and pots where a full-size shrub would crowd out its neighbors. They bloom repeatedly, so they are handled like other repeat bloomers at pruning time.

Ramblers and Climbers

Ramblers flower from old wood, and climbers flower from new wood. A once-blooming old garden rose, rambler or climber flowers once a year on last year’s wood. Prune it right after it blooms, never in early spring, or you cut off the coming flowers.

How to Choose a Rose for an Arkansas Garden

Cold is rarely the deciding factor in Arkansas. Humid summers, hot dry spells, the time you have and the room available shape the choice far more. Start with the problem that would bother you most.

Your situation	What suits it in Arkansas	Why
Cold winter nights	Explorer roses	Bred to be hardy and to repeat bloom
Humid, rainy summers	Rugosas	Offer disease resistance without the spray routine of hybrid teas
Heat and dry spells	Rugosas	Drought tolerant and fine in poor soil in full sun
Little time	Hardy garden roses	Need less preparation
Small space	Miniature roses, compact shrub roses	Dwarf or compact plants that stay in bounds

Bare-root roses go in best in February and March, and November, December, January and April also work. Potted roses can go in later than that.

Which Roses Suit Different Parts of Arkansas

The statewide range of USDA hardiness zones from 6b to 8a reflects Arkansas’s varied climate, though roses stay hardy throughout the state. The difference shows up in how much cold or humidity you plan around.

The Ozarks: Winters run colder toward the northwest, so Explorer roses bred for hardiness and naturally hardy rugosas are comfortable fits. Let the buds, not the calendar alone, tell you when pruning is safe after a hard late winter.
Little Rock and the Arkansas River Valley: This central stretch suits nearly every type listed here. Hybrid teas are possible if you accept the spray routine.
The Delta and south Arkansas: Summers are long, hot and humid, so lean on black spot resistant shrub roses and rugosas for heat and dry spells. Choose these over types that need constant spraying.

Wherever you garden, start with disease resistance and add fussier roses only as you gain confidence.

Rose Buying Mistakes to Avoid in Arkansas

Skipping the Spray Plan

Buying hybrid teas without a plan for black spot leaves you unprepared for the rigorous spray program they require. A rigorous spray program is part of growing them. If that sounds like too much, choose a shrub rose with real resistance instead.

Pruning After Growth Starts

Repeat-blooming roses, meaning hybrid teas, floribundas and modern shrub roses, are pruned in February and into March, as dormancy breaks. In Arkansas, lingering snow and ice have pushed pruning to late March, and that worked because the roses were cut hard before new growth was well under way. Prune on the buds, not the date alone.

Feeding into Autumn

Fertilizer belongs in the stretch from first leaves through each flush of bloom, March through August. Feeding can run into September, but stop about six weeks before the earliest frost in your area. Late feeding pushes soft new growth just as the plant should be slowing down.

Where to Get Rose Advice in Arkansas

The University of Arkansas Extension publishes rose pruning notes and disease guidance written for Arkansas gardens. Your county extension office adds local knowledge of soil and pests.

County extension office: Bring a photo or a cutting of spotted leaves, and go when you first see trouble in summer.
State extension rose pages: Read the pruning notes in late winter, before the buds swell.
Local master gardeners: Ask which varieties have held up in your neighborhood before you buy in spring.

Common Questions

Do Roses Keep Their Leaves Through an Arkansas Winter?

Often, yes. Roses in Arkansas are frequently semi-evergreen in most winters, so a rose that holds some foliage is not dying.

How Much Sun and What Soil Do Roses Want?

Full sun and fertile, moist, well-drained soil suit Explorer roses. Rugosas prefer moist, acidic to neutral, well-drained soils but tolerate poor soil in full sun.

Which Roses Work on a Trellis or as a Hedge?

Depending on the cultivar, Explorer roses can serve as a groundcover, on a trellis, as a hedge, as a specimen or in groups. They vary in height, so check the mature size before choosing a spot.

Best Roses for Arizona

Rose beds in Arizona do their best work in spring and again as the weather cools, and the roses that earn a spot are the ones that shrug off summer heat without fuss. Hybrid teas, polyanthas and old garden roses lead the list, with the right pick depending on whether you garden in the low desert or up in the high country.

Best Roses to Grow in Arizona

Arizona spans USDA hardiness zones 4b to 10b, so the winter you plan for depends on where you live. In the low desert, a rare cold snap in Phoenix can reach 32F between late December and mid January, and most years never freeze at all. Flagstaff and the high country freeze hard. Disease pressure in the low desert is also lighter than in damper climates, which is why roses are easier to grow there than many gardeners expect.

Hybrid Teas

These are the classic long-stemmed roses, and they keep producing flowers across the season because they are continuous bloomers. Many are also resistant to powdery mildew, which can reduce the need for spraying.

When you shop, read the tag for mildew resistance and choose accordingly.

European Old Garden Roses

Old garden roses of European origin are cold hardy, and they bloom once a year. That makes them the natural choice where winters bite, as long as you accept one generous flush of flowers rather than repeated rounds.

They also tend to need less upkeep than modern roses, especially through the hot summer months.

Asian Old Garden Roses

Old garden roses that trace back to Asia are repeat bloomers, so they give you flowers again after the first flush. Rosarians who grow both old and modern roses often find the old ones easier to keep going in summer heat.

They suit gardeners who want repeat color without a heavy maintenance routine.

Polyanthas

Polyanthas stay compact, which makes them good for borders and small hedges. They also do well in containers, so a patio or a narrow bed can hold them comfortably.

Many of them are hardy and resist powdery mildew, and that adds to their appeal for a low-effort planting.

How to Choose a Rose for an Arizona Garden

Start with where you garden, then with how much time you want to spend. A rose that suits a Phoenix bed is not automatically the one for a yard in Flagstaff.

Think about summer too. Heat is the season that tests roses here, so low maintenance during those months counts for a lot.

Your situation	What suits it in Arizona	Why
Cold winters in the high country	European old garden roses	They are cold hardy, though they bloom once a year
Hot, dry low desert	Hybrid teas	They are continuous bloomers
Little time to spare	Old garden roses	They need less maintenance than modern roses in summer heat
Small space or containers	Polyanthas	They suit borders, small hedges and pots
Powdery mildew worries	Mildew-resistant hybrid teas	Many hybrid teas resist it, and resistant varieties are the best control

If thrips have bothered your roses before, note that they are said to prefer light-colored blossoms, such as yellow and white. Darker colors may bring fewer problems.

Which Roses Suit Different Parts of Arizona

Arizona’s rose climates vary sharply, and the choice of rose follows the local conditions.

Phoenix and the low desert: Freezes are rare, so tenderness in winter is rarely a worry. Hybrid teas and repeat-blooming old garden roses fit here, and pruning is done in January or February.
Prescott: Altitude brings colder winters, and pruning shifts to March. Bare-root roses go in during February, and cold-hardy types make sense.
Flagstaff and the high country: Winters freeze hard, which favors cold-hardy European old garden roses over more tender kinds.

Whichever part of the state you garden in, local pruning months follow the calendar for your area rather than the date of the last cold night.

Rose Buying Mistakes to Avoid in Arizona

Choosing for the Wrong Winter

A rose that does well in a Phoenix yard can meet a hard freeze in Flagstaff or Prescott. The result may be a plant that struggles or dies after a hard winter.

In the high country, pick cold-hardy European old garden roses, and expect one flush of bloom a year.

Ignoring Mildew Resistance

Powdery mildew can show up on roses here. A susceptible variety may need preventive spraying where mildew has been a problem.

Look for resistant varieties instead, since many hybrid teas qualify, and use a preventive fungicide spray where mildew has been a problem before.

Pruning a Once-Bloomer Like the Rest

Once-blooming roses, including old garden roses, ramblers and many climbers, flower on last year’s wood. Cutting them back in winter along with your hybrid teas removes the year’s flowers.

Prune them right after they bloom, never in early spring.

Where to Get Rose Advice in Arizona

The state’s land-grant extension service publishes guides written for desert and high-country rose growers, and local offices can speak to your own soil and elevation.

University of Arizona Cooperative Extension has rose care guides for the low desert and for the Yavapai region, handy to read before you shop in winter.
Your county extension office can point you to rose varieties that suit your elevation, so call before planting season starts.

Check the guide for your area before you buy, then write down the varieties it names and take that list to the nursery.

Common Questions

When Should You Plant Bare-Root Roses in Arizona?

January and February are the months for bare-root roses, and March can also work. Container roses can go in later than bare-root plants, which makes them handy if you miss that window.

When Should You Feed Roses in Arizona?

Feed from February through June, then skip midsummer. Start again in September and finish around mid-October. Old garden roses that are pruned after blooming can start feeding in February to promote flowers.

How Long Do Roses Live in the Low Desert?

Once established, roses given moderate care will live and bloom for many years in the low desert. Regular attention matters more than fussing with them constantly.

Sources : extension.arizona.edu | summerwindsnursery.com

Best Roses for Alberta

Roses in Alberta split between varieties that shrug off a prairie winter and varieties that need to be tucked in for it. Hardy shrub roses and the Canadian Artist Series belong among the winter-hardy choices. Hybrid teas, floribundas and grandifloras need protection, and they reward the extra work.

Best Roses to Grow in Alberta

Hardy shrub roses are the types that hold up here, because winter, not summer, decides what survives. Calgary sits in Canadian hardiness zone 4a, a rating built on several climate variables that does not convert to a USDA zone. Roses bred for milder places lose their canes to the cold, while roses bred for the north come through without a fuss.

Hardy Shrub Roses

These are the low-effort answer for an Alberta yard. Hardy shrub roses do not need winter protection, so there is no mounding in autumn and no unwrapping in spring.

If a rose sounds like too much work, start here. Plant them in a sunny spot, and prune repeat-blooming shrub roses in spring.

Canadian Artist Series

This series was bred to be winter hardy and disease-resistant, which addresses the main concerns of Alberta rose growers. Hardiness protects the canes through the cold months, and disease resistance helps keep the leaves healthier through summer.

For an easy starting point, a variety from this series is a practical pick.

Explorer Series

Explorer roses are hardy shrub roses that perform well without extra winter protection. They suit a gardener who wants repeat color without wrapping or mounding anything in November.

Give them room to spread, and prune repeat-blooming Explorer roses in spring.

Knock Out

Knock Out is another hardy shrub rose that does well without extra protection. That makes it a practical pick for a front-yard bed where you want steady color and a short to-do list.

Plant it where it gets sun and can be reached easily for spring pruning.

Hybrid Teas and Floribundas

Hybrid teas, floribundas and grandifloras were bred for warmer climates, so they cannot get through a northern winter without protection. They bring a more formal look, and in Alberta they require winter protection in November.

Cover them after several hard freezes, once the rose is fully dormant. Covering too early, while the plant is still growing, is a mistake.

How to Choose a Rose for an Alberta Garden

Start with how much winter work you are willing to do. That answer guides the choice, because the rose type decides whether November is a quick job or no job at all.

Then think about summer. A rose that stays clean in a wet season is easier on you than one that needs constant attention.

Your situation	What suits it in Alberta	Why
Very cold winters	Hardy shrub roses or the Canadian Artist Series	These roses suit northern winters, so their canes are less likely to be lost to the cold
Humid or wet summers	Canadian Artist Series	It was bred to be disease-resistant, so leaves stay healthier in damp weather
Little time to spare	Hardy shrub roses such as Knock Out or the Explorer series	They perform well without extra winter protection, which removes the autumn and spring chores
You want a classic hybrid tea or floribunda	Hybrid teas, floribundas or grandifloras, with protection	They were bred for warmer climates, so they need covering through the cold months

Hot, dry spots and very small gardens call for some extra care, so a local garden centre is the place to ask about compact varieties. Once-blooming roses such as old garden roses, ramblers and many climbers are a different case from the rows above, and they need their own pruning time, which is covered below.

Which Roses Suit Different Parts of Alberta

Alberta is not one climate, and the gap between the south and the north shows up mostly in how long you wait to plant and how much risk you take.

Calgary: the last spring frost falls on average around May 21, which means in half of years it comes later, so treat that date as the middle of a window and not a safe date. Hold potted roses until severe frost is past.
Northern Alberta and upland districts: spring runs weeks behind Calgary, so planting comes later and the cold is harder on tender canes. Lean toward hardy shrub roses and the Canadian Artist Series, and keep hybrid teas for a sheltered spot.

Wherever you garden, a sheltered spot near a wall or fence can help a tender rose.

Rose Buying Mistakes to Avoid in Alberta

Buying a Rose Too Tender for Winter

A hybrid tea or floribunda bought on looks alone, then left uncovered, can lose its canes over the cold months. The result may be dead canes and no flowers after winter.

Either cover it in November after several hard freezes, once the rose is fully dormant, or pick a hardy shrub rose and skip the covering altogether.

Choosing a Disease-Prone Variety

A rose with no disease resistance can struggle through a damp summer, and the cost is leaves that decline and a plant that looks tired by midseason.

The Canadian Artist Series was bred to be winter hardy and disease-resistant, so it is the sturdier choice when you do not want to fight problems.

Pruning a Once-Blooming Rose in Spring

Old garden roses, ramblers and many climbers flower once a year on last year’s wood. Cutting them back in spring removes the buds and costs you the season’s bloom.

Prune them right after they flower. Repeat-blooming roses such as hybrid teas, floribundas and modern shrub roses are pruned in April or May, once the winter mound is off and the chance of a hard freeze has passed.

Where to Get Rose Advice in Alberta

Alberta has no county extension office, so rose questions go to the province or to local growers.

Alberta Agriculture and Irrigation is the provincial ministry, a good first stop for general gardening questions in any season.
A local garden centre or rose society can tell you which varieties came through recent winters in your neighborhood, so ask before spring planting.
Provincial gardening groups and master gardener clubs can confirm local timing, and their members are happy to compare notes before you buy.

Common Questions

When Should You Plant a Rose in Alberta?

Bare-root roses go in during April or May, and early is better, by early May. Potted roses can go in later, once severe frost is past in late May or early June. June also works if spring got away from you.

When Should You Feed Roses in Alberta?

Feed in late April, and again when the plants reach peak bloom. Feeding can continue through July, but stop after that so the canes can slow down and harden off before winter.

When Should You Take Winter Protection Off Roses in Alberta?

April is the usual month, and the mound comes off in stages from mid-April and not all at once. If spring runs cold, the job can also be done in May.

Best Roses for Alaska

Rose canes that come through the snow and leaf out in late spring are the ones worth planting in an Alaska yard. Hardy rugosas, Turkestan roses and tough species roses do that reliably, while fussy hybrid teas often do not. Winter decides which roses earn a place here, and the choices narrow quickly once you plan around it.

Best Roses to Grow in Alaska

Hardy rugosas, Turkestan roses and species roses hold up in Alaska because winter sets the limit. Tender roses, meaning hybrid teas, grandifloras, floribundas and miniatures, do not reliably overwinter across the state.

Rugosa Roses

Rugosa rose (Rosa rugosa) is hardy in most locations around the state, which makes it a dependable first rose to plant. Varieties do differ from one region to another, so look at what survives in nearby yards before choosing a cultivar.

Turkestan Roses

Turkestan roses, sometimes called Sitka roses, have been grown in Alaska since the early 1900s. They are the dominant feature of any hardy Alaskan rose garden, and many cultivars have been released, so you can pick for flower color and size rather than just survival.

Polarstern

Polarstern is a hybrid tea, a type that usually struggles here, yet it has been reported to climb and stay hardy with minimal winter protection in Fairbanks. Treat it as the adventurous pick, planted after a hardy rose is already established.

Once-Blooming and Species Roses

Hardy rugosas and species roses suit Alaska, and once-blooming roses are another practical choice for cold winters. Once-blooming roses flower on last year’s wood, so prune them right after they bloom, never in early spring, or you cut off the season’s flowers.

How to Choose a Rose for an Alaska Garden

Start with your winter and your patience for protecting plants. A rose that needs wrapping and babying will cost you more effort here than one bred or grown for the climate.

The short season also matters, since a rose has to flower and harden off between late spring and the first hard freeze.

Your situation	What suits it in Alaska	Why
Very cold winter	Rugosa roses	Rugosa is hardy in most locations around the state
Coastal yard with salt spray	Turkestan (Sitka) roses	The species tolerates saltwater spray, so it is popular in coastal communities
Want a climber	Polarstern	Reported to climb and stay hardy with minimal winter protection in Fairbanks
Little time for winter care	Hardy shrub roses, rugosas and species roses	Hardy shrub types perform well without extra protection
Want one big bloom season	Once-blooming and species roses	They offer a single bloom season and suit cold-climate gardens

Small spaces are harder. Miniature roses are among the tender types that do not reliably overwinter, so a compact rugosa is the better bet there. Bare-root roses go in during June, while potted roses can be planted later.

Which Roses Suit Different Parts of Alaska

Turkestan roses grow across much of the state, but how much you can push beyond them depends on where you garden.

Fairbanks and the Tanana Valley: The Interior season is far shorter than in Anchorage, so lean on rugosas and Turkestan roses. Polarstern is worth a trial only once those are established.
Anchorage and Southcentral: This is one of the milder inhabited parts of Alaska, with about 143 frost-free days. Long summer daylight helps hardy roses make good growth even though the season is short.
Sitka and Southeast coastal towns: Salt spray from the water is common here, and Turkestan roses tolerate it. That makes them the natural pick for a shoreline or harbor-facing yard.

Because varieties do differ statewide, a rose that thrives in one valley may be only a gamble in another.

Rose Buying Mistakes to Avoid in Alaska

Buying Tender Roses

Hybrid teas, grandifloras, floribundas and miniatures do not reliably overwinter across Alaska. The cost is a plant that dies back or fails in spring after you have paid for it and planted it.

Choose a rugosa, a Turkestan rose or a species rose instead, and if you want a hybrid tea, try Polarstern.

Planting Bare-Root Roses Too Early

Bare-root roses are tempting to set out as soon as the ground thaws, but a late cold snap can finish a plant that has no roots established yet. The safe plant date at Fairbanks is June 1, and June is the month to plan around.

In Fairbanks, wait until then, and keep potted roses for later planting if the schedule slips.

Feeding into Late Summer

Roses here get a soluble fertilizer regularly from May through July. Feeding past August 1 pushes soft new growth just as the plant should be hardening for winter, leaving that growth vulnerable to a hard freeze.

Stop feeding by the first of August, about four to six weeks before a hard frost is expected.

Where to Get Rose Advice in Alaska

Alaska has no local extension page on rose-pruning timing, so confirm the timing with a local garden center, rose society, or gardening group. University of Alaska Fairbanks Cooperative Extension publishes gardening guides on roses and overwintering.

The extension rose publications explain which types overwinter and how to protect tender ones, so read them before ordering plants.
Your nearest extension office can tell you which hardy varieties do well in your part of the state, which is worth asking in winter while you plan spring planting.

Common Questions

What Can You Grow Instead of a Climbing Rose in Alaska?

Annual flowering vines are easy and dependable here. Canary bird vine, black-eyed Susan vine, sweet peas, scarlet runner beans, climbing nasturtiums and morning glories all do well. Milky Way morning glory has been reported to make a vigorous, thick vine covered with blooms in Fairbanks, while Cypress Vine did not flower at all.

Do Roses Need Winter Protection in Alaska?

Hybrid teas, floribundas and grandifloras need winter protection in cold winters. Hardy shrub roses, such as Knock Out or the Explorer series, perform well without extra protection, and rugosas fall in that low-fuss group.

When Should You Prune Roses in Alaska?

Prune repeat-blooming roses in May, once active growth has started. Wait for active growth before pruning, since snow cover lasts into spring. Once-blooming roses wait until after they flower.

Best Roses for Alabama

Black spots on the leaves by midsummer, canes that look tired after a long humid stretch: Alabama roses show quickly which varieties belong here. Roses that hold up in Alabama’s heat, wet summers and mild winters come in several types, and each one suits some yards better than others, so it pays to match the rose to your yard and to skip the common buying mistakes.

Best Roses to Grow in Alabama

Roses that need little spraying are well suited here because humid summers invite black spot and mildew. Shrub types, old garden roses, rugosas and the Drift series fit that description. Gardens in Alabama span USDA zones 7a to 9a, so winter cold is rarely the limit, and disease pressure often guides the choice.

Shrub Roses

Shrub type roses bloom beautifully with few chemical controls needed, which suits a climate where a spray schedule is hard to keep up. They are a practical place to start if you want color without a demanding spray routine.

Prune repeat-blooming modern shrub roses in February or March as the buds swell. Feed monthly from March through September.

Drift Roses

Drift roses come in Red, Pink, Apricot, Coral, Peach, White and Popcorn, a white-and-yellow blend. Drift roses work well in landscape beds, including small spaces and borders.

Rose rosette disease has no cure in cultivars like Knock Out and Drift, so pull and discard any plant that shows it rather than waiting.

Rugosa Roses

Rugosas resist black spot, powdery mildew and Cercospora leaf spot, problems that can occur in humid summers. Named choices include ‘Blanc Double de Coubert’, ‘Fru Dagmar Hastrup’, ‘Rugosa Alba’ and ‘Topaz Jewel’.

That resistance can reduce the need for spraying and help the foliage stay cleaner.

Old Garden Roses

Old roses do not need the hard pruning that many modern roses want, and hard cutting can ruin their graceful shape and severely reduce flowering. ‘Alba Semi-Plena’ is an alba rose with strong disease resistance.

Many flower once a year on last year’s wood, so prune them right after they bloom, never in early spring.

Disease-Resistant Hybrid Teas

Hybrid teas are susceptible and need an effective spray program in place before the growing season begins. ‘Pride N Joy’ is a black spot-resistant option if you still want a hybrid tea.

‘Sexy Rexy’ is a floribunda, while ‘Prima Donna’ is a grandiflora. Prune these repeat-blooming roses in February or March as buds swell.

Climbing Roses

Climbers grow fast and come in many colors, but they are subject to disease and insects, so give them airy spots with good circulation. Many climbers bloom once a year, so prune right after flowering.

How to Choose a Rose for an Alabama Garden

Start with how much time you want to spend, then think about humidity and heat. Alabama’s winters seldom decide the matter, so the question is mostly how much disease protection a rose needs.

Bare-root roses go in best during February or March, and a potted rose can be set out later.

Your situation	What suits it in Alabama	Why
Humid summer, black spot every year	Rugosas such as ‘Topaz Jewel’	Resistant to black spot, powdery mildew and Cercospora leaf spot
Little time for care	Shrub roses	Bloom well with few chemical controls
Small space or border	Drift roses	Many colors in a landscape-friendly form
Want a hybrid tea	‘Pride N Joy’	Resistant to black spot, though it still needs a spray program
Prefer an informal, soft look	Old garden roses such as ‘Alba Semi-Plena’	Skip hard pruning and resist disease

Ask your county extension office how much summer watering your local soils need, since heat and drought affect that amount.

Which Roses Suit Different Parts of Alabama

Alabama stretches across several hardiness zones, so timing and winter risk shift from one region to another.

Gulf Coast: Mild winters and a long humid season make disease-resistant types like rugosas and shrub roses the safer choice, and pruning can start earlier, around mid-February.
Huntsville and the Tennessee Valley: Winters bite harder here, so wait until the buds swell before pruning.
Birmingham and central Alabama: Prune repeat-blooming roses in February or March as buds swell.

Wherever you garden, let the buds tell you when to prune rather than the date alone.

Rose Buying Mistakes to Avoid in Alabama

Choosing a Susceptible Hybrid Tea

Hybrid teas require a rigorous spray program to keep black spot at bay. Without it, leaves yellow and drop by summer and the plant weakens.

Pick a resistant variety such as ‘Pride N Joy’, or choose a shrub or rugosa type from the start.

Ignoring Rose Rosette

Rose rosette disease has no cure in cultivars like Knock Out and Drift, so a diseased plant can spread the problem. Look for distorted, unusually thick, reddish growth, and remove the whole plant promptly rather than trimming it.

Pruning Once-Bloomers in Spring

Old garden roses, ramblers and many climbers flower on last year’s wood. Cutting them in early spring removes the buds, and you lose the year’s bloom. Wait until right after they flower, then shape them.

Where to Get Rose Advice in Alabama

The Alabama Cooperative Extension System publishes rose guidance written for local conditions, and each county has an office that can answer specific questions.

The extension website has a growing roses guide, useful before you shop in late winter.
Your county extension office can advise on soil testing, which tells you what to feed before the March start.
Call before planting bare-root roses in February or March to confirm timing for your area.

Common Questions

Can You Grow Roses in Alabama Without Spraying?

Yes, with the right types. Shrub roses, rugosas and the Drift series need far less spraying than hybrid teas.

When Should You Feed Roses in Alabama?

Feed monthly from March through September. Without a soil test, ask your county extension office what fertilizer and amount suit your garden.

Can You Plant Roses in Winter in Alabama?

Bare-root roses go in best during February or March. They can also go in during January, April, November or December, and potted roses can be planted later.

How to Mulch Roses: What to Use and When

A fresh layer of bark or compost helps during the growing season, while winter protection varies with climate and rose type. Mulching roses covers both jobs, and the material, depth and timing shift with where you garden and what kind of rose you grow.

What Should You Use to Mulch Roses?

Organic material is the general rule: shredded bark, coarse compost, leaves, straw or hay. Through the growing season, a loose layer over the root zone holds moisture and keeps weeds down. In cold regions, a second, much deeper layer goes on later to shield the canes and the graft at the base.

Depth varies by climate. In Illinois, a mulch layer of about 2-3 inches is recommended. In Oregon, 2 to 4 inches around each bush is the guide for holding in moisture, and in the low desert of Arizona, gardeners layer 3–4 inches.

Winter protection follows a different logic. In Illinois, after the soil has frozen, leaves, hay or evergreen branches go on top, and in Pennsylvania a mound of well-draining compost, potting mix, clean soil or aged manure is the choice for colder areas. Repeat-blooming and once-blooming roses both benefit, though they are handled differently later.

How to Mulch Roses Step by Step

The work runs in a natural order through the year, starting with the soil and ending with the uncovering the following spring.

Water deeply first, since in Florida 1 to 2 inches per week builds roots and the mulch then helps keep that moisture in the soil.
Clear weeds and old, matted debris from around the plant so the new layer does not seal pests or disease against the canes.
Spread an organic layer about 2-3 inches deep in Illinois, so the soil stays evenly moist without smothering the roots.
In Missouri, mound soil or compost over the base about 10 to 12 inches high, so the bud union stays insulated.
Pile straw or leaves over the mound, in Iowa 1 to 2 feet, so the cover shields the canes from drying winter wind.
Pull the cover back in very early spring in Pennsylvania once lows are not forecast to fall below 20°F, so new growth is not smothered or blanched.

In Pennsylvania, begin removing the mound gently when winter lows are not forecast to dip below 20°F. In most parts of Oklahoma, uncover all rose canes by March 1.

How Mulching Changes by Rose Type

Whether a rose blooms again through summer or only once decides what you do around the mulch. Repeat bloomers flower on new wood, while once-bloomers carry the buds on last year’s canes.

That difference shows up most when you uncover plants and reach for the pruners.

Rose type	What changes	Why it matters
Repeat-blooming roses	Prune after the winter cover comes off, following the buds	New wood carries the flowers, so cold-damaged canes can be cut back
Once-blooming roses	Keep the winter cover but hold off on spring pruning	Last year’s wood carries the buds, so cutting early removes the flowers
Climbing hybrid teas in Oklahoma	Cold-sensitive canes are taken off the trellis, laid down and covered eight to 10 inches deep	A climber’s canes stand up high and are not buried in a mound

The appropriate mulch layer depends on the climate, soil and rose type. Winter cover also depends on local cold, so match the mound to guidance for your area. For a once-blooming rose, mulch freely, but leave the pruning until the flowers fade.

Common Mulching Mistakes

Piling Mulch Too Deep

More mulch is not better. In Alabama, about 2 inches is the guide, and never more than 3 inches. A heavy blanket can hold too much water against the roots and crowd out air. Pull back the excess with a rake and top up lightly when the layer thins.

Mulch Touching the Canes

Mulch heaped against the base keeps the stems damp and invites rot. In Arizona, keep mulch 4 inches away from the base of the plant. Leave a small ring of bare soil around the canes and refresh the mulch outward from there.

Uncovering Too Early

A warm spell in late winter tempts you to strip the mound, and then a hard freeze catches the soft new shoots. In Pennsylvania, the mound comes off when lows are not forecast to dip below 20°F. Take it down gradually and keep covering material nearby for a sudden cold night.

When Should You Mulch Roses?

Watch the plant and the soil. Use the rose calendar for your state to time spring mulch. In Illinois, add winter cover after the soil has frozen; in Pennsylvania, begin removing it in very early spring when winter lows are not forecast to dip below 20°F.

Each state page lists the months for spring mulch, so check yours before the buds break.
The same page gives the months for the winter mound and for uncovering in spring.

Common Questions

Can You Use Wood Bark or Compost to Mulch Roses?

Yes. In Oregon, a 2- to 5-inch layer of organic mulch such as wood bark or coarse compost reduces soil moisture evaporation.

Should You Prune Roses Before Mounding Them for Winter?

In Kansas, roses are pruned to 36 inches and weak or thin canes are removed before the mound goes on. For repeat-blooming roses, hard pruning waits until spring; prune once-blooming roses after they flower.

How Do You Keep Winter Mulch from Blowing Away?

In Iowa, wire mesh fencing, or a small amount of soil over the straw or leaves, holds the material in place. Anchor the cover as soon as it is piled on, since wind tends to strip loose leaves and straw from the mound.

Sources : eu.davidaustinroses.com | davidaustinrosesaustralia.com | rosen-tantau.com

Companion Plants for Roses: What to Plant Around Them

Roses pair well with low, tidy neighbors planted well back from the canes. A rose in bloom with soft foliage at its feet is a classic picture, and it works only when the companions leave the rose its light, its airflow and its roots. Plant choice and spacing both matter.

What Should You Plant Around Roses?

Choose plants that stay low, like full sun and keep their roots out of the rose’s way. Companions should never crowd the canes or shade the leaves, because roses need open air to dry quickly after rain or dew.

Distance matters first. In Alabama, roses should be planted at least 3 feet apart so air and sunlight can reach the foliage and limit the spread of disease. Whatever you plant between and around roses has to fit inside that open space.

The answer shifts with the rose. A compact miniature, a wide shrub rose and a climber on a fence each leave a different amount of room. Bloom habit and climate matter too, since a plant that thrives beside a rose in a mild, humid region may be too thirsty for a dry one.

How to Add Companions Around a Rose

Work from the rose outward, and decide how much space the rose needs before you decide what goes beside it.

Measure the rose’s mature spread, so that the companions you pick are placed around the rose as it will be, not as it looks in the pot.
Keep a clear ring around the plant. In Texas, leave at least one foot of open space around a fully grown rose so air can move freely through the canes.
Set neighboring roses well apart. In Vermont, leave about 24 to 36 inches between rose plants so low companions do not touch the canes.
In South Carolina, keep competing roots out of the rose bed by choosing companions with shallow, modest root systems.
Place taller companions on the side where their shade will not fall across the rose for much of the day, so that the rose keeps its sun.
Water and feed the rose according to its needs, and keep competing roots out of its root zone.

Plant companions small and watch how they fill in. A neighbor that looks tidy while young can sprawl as it matures, and it is much easier to move a perennial early than to dig it from around established rose roots.

How Companion Planting Changes by Rose Type

Rose type sets how much room there is to share. Upright hybrid teas leave bare ground at the base, while shrubs and climbers spread wide and leave far less of it.

Bloom habit adds another layer. Companions should leave enough room for you to reach the rose canes without trampling nearby plants.

What changes	Why it matters
Hybrid tea, floribunda and grandiflora: about 3 feet apart in Washington	Companions need to fit in the gaps without touching the canes
Shrub and old-fashioned roses: 4 to 6 feet apart in Kentucky	The wider spread leaves more room for plants between them
Climbers along a fence: 6 to 10 feet apart in Oklahoma, 8 to 10 feet in Kentucky	Wide gaps between climbers allow underplanting at the base
Miniature roses: about 12 inches apart in Florida	Growing neighbors must not shade these small plants
Use the mature dimensions on the plant tag	Leave enough room for the mature plant without crowding its neighbors

For you, this means sizing the bed to the rose first. For old garden roses, rugosas and other types, follow the plant tag and leave generous room. If a rose is a close neighbor of a climber, a little extra spacing helps, since roses touching each other have trouble with airflow.

Companion Planting Mistakes to Avoid

Planting Too Close

Tucking plants tight against the canes looks full at first. Poor airflow keeps leaves wet and helps disease move from plant to plant.

Pull companions back so the rose has open air all around. In Texas, leave one foot of clear space around a mature rose.

Shading the Rose

A tall companion on the sunny side can cut the light the rose needs to bloom. In Florida, miniature roses should not be overshadowed as surrounding plants grow.

Check the bed as the season advances, and move or trim anything that throws shade on the rose.

Planting Under Trees

A bed under a tree seems like an easy spot to fill. In Oklahoma, keep roses out from under tree branches, where they lose light and compete with tree roots.

Roots from any neighbor can do the same harm. Keep greedy plants out of the rose’s root zone and give it a bed of its own.

When Should You Plant Companions Around Roses?

Plant when the soil can be worked and the hard frosts have passed, as the rose comes out of dormancy and its buds begin to swell. Work carefully around dormant or actively growing roses so you do not damage their roots or canes.

Check when each companion should be planted in your climate before you dig, because its timing may differ from the rose’s.
Watch the rose’s roots and canes as you work so the new planting does not damage them.

Common Questions

How Much Sun Do Roses Need?

In California, roses do best with 6 hours or more of direct sun. Arizona also sets 6 hours of sunlight a day as the minimum, so choose companions that will not cut into it.

What Soil pH Do Roses Prefer?

In Florida, roses need well-drained soil with a pH between 6.0 and 6.5. Test the bed before adding companions, because their needs may differ from the rose’s.

Is It Better to Plant Many Roses or a Few?

Fewer, well-kept roses give more pleasure. In New Mexico, ten well-chosen varieties produce more blooms and pleasure when carefully maintained than 50 poorly maintained plants.

Sources : eu.davidaustinroses.com