ZonePlant

State reference · South

Oklahoma

Oklahoma (OK) covers 4 primary USDA hardiness zones across 760 zip codes. Capital: Oklahoma City.


USDA hardiness zones in Oklahoma

Zone share is computed from the 760 zip codes within Oklahoma. The most common zone is the best starting point for state-wide guidance; check your local zip for microclimate accuracy.

State-wide baseline

Zone 7b covers the largest share of Oklahoma, with winter lows around 5°F to 10°F and a typical growing season of 220 days. Zone 7b guide →

Crops suited to Oklahoma

Crops whose recommended USDA zone range overlaps Oklahoma's dominant zones. 92 crops match.

Tree fruit

15 crops

See all 15 tree fruit →

Berries

21 crops

See all 21 berries →

Nuts

6 crops

Vegetables

40 crops

See all 40 vegetables →

Herbs

10 crops

See all 10 herbs →

Largest cities in Oklahoma

Cities ranked by population (GeoNames public-domain data). Each city has a curated planting reference with its USDA zone, frost dates, and recommended crops.

Curated zip pages in Oklahoma

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