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Dublin Bay Rose: Size, Zones, Pruning and Care

Dublin Bay carries clusters of bright red flowers on long climbing canes. It is a hybrid climbing floribunda that grows tall and narrow, so it suits a post, an arbor or a wall better than an open bed.

What Is the Dublin Bay Rose?

Dublin Bay is a hybrid climbing floribunda in the rose family. It sends up long canes that need a support, and it reaches 8 ft. 0 in. to 12 ft. 0 in. tall, so plan a trellis or wall with real height.

The width stays modest at 4 ft. 0 in. to 5 ft. 0 in., which lets it fit beside a doorway or along a narrow fence line.

The flowers are bright red with darker borders, semidouble, 4-5 inches across, with 17-25 petals and a mild fruity fragrance. They open in small clusters and repeat bloom through the season.

From the almanac

Roses in your state

The dates on this page depend on where you live. Your state's page carries its frost dates, its USDA zones and the year laid out month by month.

Northeast

Southeast

Midwest

Southwest

West

Pacific Northwest

Canada

Where Does the Dublin Bay Rose Grow Best?

Dublin Bay is hardy in USDA zones 6a, 6b, 7a, 7b, 8a, 8b, 9a and 9b. Some regional differences still matter.

  • Mid-Atlantic and Upper South (Virginia, North Carolina, Maryland): Compare your USDA zone with the cultivar’s listed range before planting.
  • Gulf Coast and Deep South (Louisiana, Georgia, Florida Panhandle): Compare your USDA zone with the cultivar’s listed range before planting.
  • Upper Midwest and northern New England (Minnesota, Wisconsin, Vermont): Conditions colder than the cultivar’s listed range make Dublin Bay a poor fit outdoors.
  • Pacific Northwest and California coast (Oregon, Washington, coastal California): Compare your USDA zone with the cultivar’s listed range before planting.

The state selector just below this section takes you to the page for your state, where you can see how those zones play out where you live.

How to Care for the Dublin Bay Rose Through the Year

Spring Wake-Up

Spring Wake-Up — Dublin Bay Rose: Size, Zones, Pruning and Care

As buds swell on the canes, check which ones came through winter alive. Dead or blackened wood is easy to spot against green, healthy canes. Tie in any loose canes to the support before new growth makes them harder to handle.

Pruning

Prune in late winter to early spring to remove winter damage and control size. Because this rose repeat blooms, cutting then does not cost you flowers. Diseased or damaged canes can come out at any time of year.

Bloom

Flowers come in small clusters and keep coming through the season. Remove spent clusters to keep the plant tidy. Watch the support too, since heavy clusters on tall canes can pull them away from their ties.

Summer

Water deeply at the base instead of wetting the foliage, and keep mulch over the roots. Keep tying new canes securely along the support.

Autumn

Leave the heavy pruning for later. Clear fallen leaves from around the base, since old foliage can carry disease into the next year.

Winter

Check ties after storms and cut back only what is plainly broken. The main pruning waits for late winter.

Dublin Bay Rose Diseases and Weak Points

Dublin Bay is a climbing rose with a defined USDA hardiness range. It is not suited to conditions colder than its listed hardiness range.

Its other weak point is its height. Long canes need firm support and regular tying to stay in place.

Threat How Dublin Bay handles it What to do
Winter cold Hardy in USDA zones 6a, 6b, 7a, 7b, 8a, 8b, 9a and 9b Prune out winter damage in late winter to early spring
Damaged or diseased canes Can be cut out at any time Remove the affected cane as soon as you see it

Leaf diseases, such as black spot, can affect many roses. Check the plant tag or ask your local garden center how this variety does in your area.

Is the Dublin Bay Rose Right for Your Yard?

Dublin Bay suits a yard with a vertical surface and a mild-winter zone. It is a good match if you want red, repeat-blooming flowers on a narrow footprint and can tie canes to a support.

  • You will find a tall, slim climber that needs a support suited to its mature height.
  • Check that your USDA zone is within the cultivar’s listed hardiness range before planting.
  • Your state page gives the months for pruning and care where you live, so open it before growth begins.

Common Questions

How Tall Does a Dublin Bay Rose Get?

It grows 8 ft. 0 in. to 12 ft. 0 in. tall and 4 ft. 0 in. to 5 ft. 0 in. wide, so give it a support that matches that height.

Does Dublin Bay Rose Bloom More than Once?

Yes. The flowers open in small clusters and repeat bloom throughout the season.

Does Dublin Bay Rose Have a Scent?

It has a mild fruity fragrance. The scent is light, so plant it near a seat or doorway if you want to notice it.

Related pages

The almanac, state by state. Every date on this site comes from a state’s own frost facts and its extension service’s calendar — and says where it comes from.