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When to Plant Turnip in Oklahoma

Turnips are a fast-growing cool-season root vegetable with edible roots and greens. Baby turnips are sweet and tender while mature ones are more pungent.

Oklahoma spans USDA hardiness zones 6b, 7a, 7b (with planting data available), so planting dates vary by your location within the state. Click your zone below for the most accurate dates.

Find Your County

Click your county for exact Turnip planting dates based on your local frost dates.

Turnip Planting Calendar for Oklahoma

Zone 6b ~205 day growing season · Full guide →

Last frost: April 3 · First frost: October 25 · 205 day season

Activity When Date Range
Direct Sow March 20 Mar 20 – Apr 10
Fall Sowing August 16 Aug 16 – Aug 30
Harvest May 1 May 1 – Jun 5
Zone 7a ~221 day growing season · Full guide →

Last frost: March 25 · First frost: November 1 · 221 day season

Activity When Date Range
Direct Sow March 11 Mar 11 – Apr 1
Fall Sowing August 23 Aug 23 – Sep 6
Harvest April 22 Apr 22 – May 27
Zone 7b ~235 day growing season · Full guide →

Last frost: March 18 · First frost: November 8 · 235 day season

Activity When Date Range
Direct Sow March 4 Mar 4 – Mar 25
Fall Sowing August 30 Aug 30 – Sep 13
Harvest April 15 Apr 15 – May 20

Growing Tips for Oklahoma

Direct sow in early spring or late summer. Harvest when roots are 2-3 inches in diameter for best flavor. Both the roots and the greens are nutritious and edible.

Frequently Asked Questions

When should I plant Turnip in Oklahoma?

Planting dates for Turnip in Oklahoma depend on your USDA zone. Oklahoma spans zones 6b, 7a, 7b. Check the planting calendar above for your specific zone's frost dates and planting windows.

What zone is Oklahoma for planting?

Oklahoma contains USDA hardiness zones 6b, 7a, 7b. Your specific zone depends on your location within the state — northern and higher-elevation areas are in colder zones, while southern and coastal areas are warmer.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Last updated: April 2026.