In Oklahoma, warm-season grasses stop growing between early October and early November. Cool-season grasses stop growing between mid-November and mid-December.
When your grass stops growing depends on where in Oklahoma you live. In the Panhandle, warm-season grass stops growing in early October and cool-season grasses stop growing in mid November. Conversely, in southern Oklahoma, warm-season grass stops growing in early November and cool-season grasses stop growing in mid-December.
Key takeaways
- Warm season grass stops growing in the Panhandle in early October, northern Oklahoma in mid October, central Oklahoma in late October, and southern Oklahoma in early November.
- Cool season grass stops growing in the Panhandle in mid-November, northern Oklahoma in late November, central Oklahoma in early December, and Southern Oklahoma in mid-December.
When warm-season grass stops growing by region
Warm-season grass’ growth rate slows when temperatures dip to 75 degrees Fahrenheit and stops growing when temperatures drop to 60 degrees. But temperatures vary across the great Sooner State, so follow the chart below to understand when your warm-season lawn will stop growing.
| Growth rate slows | Growth stops | |
| Oklahoma Panhandle | Late August | Early October |
| Northern Oklahoma | Early September | Mid October |
| Central Oklahoma | Mid September | Late October |
| Southern Oklahoma | Late September | Early November |
When cool-season grass stops growing by region
Cool-season grass’ growth rate slows when temperatures fall to 60 degrees Fahrenheit and stops growing when temperatures sink to 45 degrees. But temperatures fluctuate from the panhandle to the south, so follow this chart to see when your cool-season lawn will stop growing.
| Growth rate slows | Growth stops | |
| Oklahoma Panhandle | Early October | Mid November |
| Northern Oklahoma | Mid October | Late November |
| Central Oklahoma | Late October | Early December |
| Southern Oklahoma | Early November | Mid December |
When grass reemerges in the spring by Oklahoma region
In the spring, grass returns when soil temperatures reach 45 degrees (air temperature is 55 degrees) for cool-season grass and 55 degrees (air temperature 65 degrees) for warm-season grass. Here’s a chart below to help you anticipate your lawn’s return from slumber.
| Warm-season grass | Cool-season grass | |
| Oklahoma Panhandle | Early April | Early to mid May |
| Northern Oklahoma | Late March | Early May |
| Central Oklahoma | Mid March | Late April |
| Southern Oklahoma | Early March | Mid April |
Here are some other lawn care resources to help you get the lawn you want:
- When to Fertilize Your Oklahoma Lawn
- When to Aerate Your Lawn in Oklahoma
- When to Apply Pre-Emergent Weed Control in Oklahoma)
- Month-to-Month Oklahoma Lawn Care Schedule
Trust the pros
There’s a lot to lawn care. If you’re struggling to keep up, or you don’t have the time, energy, or desire for lawn care, you’re not alone. But finding a trustworthy, affordable professional is tough. Lawn Love connects you with reliable, affordable local lawn care pros. Your lawn will be in tip-top shape in no time.
Main Photo Credit: ungvar | Adobe Stock Free | License
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