what planting zone is oklahoma
Oklahoma spans USDA planting zones 6b through 8a , depending on where you are in the state.
What Planting Zone Is Oklahoma? (Quick Scoop)
Oklahoma doesn’t have just one planting zone—it stretches from colder 6b in the far northwest to warmer 8a pockets in the south and southeast. That means your exact zone depends on your county, city, or even ZIP code.
Statewide overview
Most of Oklahoma falls into these USDA hardiness zones:
- Zone 6b – Coldest parts of the northwestern panhandle
- Zone 7a – Much of northern and central Oklahoma
- Zone 7b – Central, south-central, and eastern areas (including many metro areas)
- Zone 8a – Warmer southern and southeastern counties
These zones are based on the average annual minimum winter temperature, which helps you know what perennials and shrubs can survive winter in your area.
Examples by area
Here are a few quick examples so you can place yourself:
- Far NW panhandle (e.g., Cimarron County): usually Zone 6b.
- Many central and northern counties (including parts of Oklahoma County, Tulsa County, Payne County): Zones 7a–7b.
- Southern and SE counties (like Bryan, Marshall, parts of Atoka, McCurtain): often 8a, with some spots even listed 8b in McCurtain County.
If you’re near Oklahoma City, it’s generally listed as Zone 7b.
How to find your exact zone
To get your precise planting zone:
- Look up your ZIP code in an online USDA zone lookup for Oklahoma.
- Or use an interactive Oklahoma zone map and zoom into your town or county.
Both methods use the updated USDA data (most recently revised in 2023), so they’re reliable for planning what will reliably overwinter in your garden.
Mini takeaway
- Oklahoma’s planting zones: 6b, 7a, 7b, 8a.
- Colder northwest = 6b; warmer south/southeast = up to 8a.
- Check by ZIP or county for the most accurate zone before buying long-lived plants.
Information gathered from public forums or data available on the internet and portrayed here.