When to Plant Tulips in Oklahoma
The herald of spring. Plant tulip bulbs in fall for a breathtaking display when you need it most — after a long winter.
The Short Answer
Oklahoma Frost Dates
Your planting dates depend on which part of Oklahoma you're in. Here are the frost date ranges by region:
| Region | Zones | Last Frost (Spring) | First Frost (Fall) |
|---|---|---|---|
| Northern Oklahoma | 6b, 7a | Apr 5 - Apr 20 | Oct 15 - Nov 1 |
| Central Oklahoma | 7a, 7b | Mar 25 - Apr 10 | Oct 25 - Nov 10 |
| Southern Oklahoma | 7b | Mar 15 - Apr 1 | Nov 1 - Nov 15 |
Tulips Planting Schedule for Oklahoma
Northern Oklahoma (Zones 6b, 7a)
Average last frost: Apr 5 - Apr 20 · Average first frost: Oct 15 - Nov 1
Central Oklahoma (Zones 7a, 7b)
Average last frost: Mar 25 - Apr 10 · Average first frost: Oct 25 - Nov 10
Southern Oklahoma (Zones 7b)
Average last frost: Mar 15 - Apr 1 · Average first frost: Nov 1 - Nov 15
Growing Tulips in Oklahoma
Tulips in Oklahoma's Climate
Tulips are borderline in warm climates. Mountain areas with cold winters grow them as perennials. Lower elevations may need to pre-chill bulbs for 6-8 weeks in the refrigerator before planting in December. Treat as annuals — summer heat cooks bulbs left in the ground.
Soil Considerations for Oklahoma
Red clay soils common. Alkaline in west. Rich prairie soils in east. Wind erosion in western panhandle.
Oklahoma Climate & Growing Season
Hot summers. Severe thunderstorms and tornado risk. Good growing season length. Windy — windbreaks help gardens. Tulips can handle frost well, which is an advantage in Oklahoma's climate. You can push planting dates earlier in spring and extend into fall.
Growing season length varies across Oklahoma: Northern Oklahoma (6b, 7a) has a last frost around Apr 5 - Apr 20, while Southern Oklahoma (7b) sees frost end around Mar 15 - Apr 1. This difference matters for tulips — adjust your planting dates to match your specific region.
Growing Tips
Plant pointed end up, 6 inches deep. Need 12-14 weeks of cold below 40°F to bloom. Plant in groups of 10+ for the best show.
Companion Planting
Plant tulips alongside these companions for better growth:
The Bottom Line
Last reviewed: March 29, 2026