Oklahoma
- State
- Oklahoma
- USDA zones
- 6a-8a
- Last spring frost
- March 28 to April 10
- First fall frost
- October 29 to November 8
- Annual rain
- 36 in
- Lawn zone
- transition-season
- Source
- NOAA NCEI U.S. Climate Normals 1991-2020, 32F freeze probabilities · Oklahoma City
The year in Oklahoma, from the calendar
- Jan—
- FebPrune roses · Dethatch · Fertilize the lawn · Mow · Water
- MarFeed hydrangeas · Plant hydrangeas · Plant roses · Dethatch · Fertilize the lawn
- AprPlant hydrangeas · Feed roses · Plant roses · Aerate · Dethatch
- MayFeed hydrangeas · Seed the lawn · Aerate · Dethatch · Fertilize the lawn
- JunPrune bigleaf hydrangeas · Fertilize the lawn · Mow · Water
- JulFeed hydrangeas · Prune bigleaf hydrangeas · Fertilize the lawn · Mow · Water
- AugPlant hydrangeas · Feed roses · Fertilize the lawn · Mow · Plant trees
- SepPlant hydrangeas · Seed the lawn · Aerate · Fertilize the lawn · Mow
- OctSeed the lawn · Aerate · Leaves · Mow · Overseed
- NovAerate · Fertilize the lawn · Leaves · Mow · Water
- Dec—
From the state frost facts and extension calendars: Clemson HGIC factsheet — Hydrangea · Clemson Cooperative Extension, HGIC — Zoysiagrass Yearly Maintenance Calendar · UC IPM Pest Notes: Roses: Cultural Practices and Weed Control (UC ANR Publication 7465) · Clemson Cooperative Extension, HGIC — Bermudagrass Yearly Maintenance Calendar.
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