Root Vegetable

When to Plant Radishes in Texas

The fastest vegetable in the garden — some varieties are ready in just 25 days. Perfect for impatient gardeners and kids.

The Short Answer

Texas radishes are a cool-season sprint — plant in fall or late winter and harvest before anyone notices the garden is active. They're the perfect succession-planting crop for Texas's brief cool windows, producing multiple harvests between October and March.

Texas Frost Dates

Your planting dates depend on which part of Texas you're in. Here are the frost date ranges by region:

Region Zones Last Frost (Spring) First Frost (Fall)
North Texas (Dallas) 7b, 8a Mar 10 - Mar 25 Nov 5 - Nov 20
Central Texas (Austin/SA) 8a, 8b Feb 25 - Mar 15 Nov 15 - Dec 5
South Texas (Valley) 9a, 9b, 10a Jan 15 - Feb 10 Dec 10 - Jan 5
Texas Panhandle 6b, 7a Apr 10 - Apr 25 Oct 10 - Oct 25
East Texas 8a, 8b Mar 1 - Mar 20 Nov 10 - Nov 25

Radishes Planting Schedule for Texas

North Texas (Dallas) (Zones 7b, 8a)

Average last frost: Mar 10 - Mar 25 · Average first frost: Nov 5 - Nov 20

Direct Sow
4 wks before frost
Fall Planting
6 wks before first frost

Central Texas (Austin/SA) (Zones 8a, 8b)

Average last frost: Feb 25 - Mar 15 · Average first frost: Nov 15 - Dec 5

Direct Sow
4 wks before frost
Fall Planting
6 wks before first frost

South Texas (Valley) (Zones 9a, 9b, 10a)

Average last frost: Jan 15 - Feb 10 · Average first frost: Dec 10 - Jan 5

Direct Sow
4 wks before frost
Fall Planting
6 wks before first frost

Texas Panhandle (Zones 6b, 7a)

Average last frost: Apr 10 - Apr 25 · Average first frost: Oct 10 - Oct 25

Direct Sow
4 wks before frost
Fall Planting
6 wks before first frost

East Texas (Zones 8a, 8b)

Average last frost: Mar 1 - Mar 20 · Average first frost: Nov 10 - Nov 25

Direct Sow
4 wks before frost
Fall Planting
6 wks before first frost

Growing Radishes in Texas

State-Specific Growing Tips

North Texas: sow September through February. Central Texas: October through February. South Texas: November through January. Texas heat above 80°F makes radishes bolt and turn pithy within days. Succession plant every 2 weeks during the cool window. Sandy east Texas soils grow perfect radishes. Alkaline soils in the Hill Country are tolerated.

Recommended Varieties for Texas

Cherry Belle and French Breakfast for speed. Watermelon radish for fall planting (takes 60 days but spectacular). Texas A&M considers radishes the easiest vegetable for beginners.

Common Challenges in Texas

Heat ends the season rapidly. Flea beetles. The main challenge is restraint — don't plant too many at once or you'll have more radishes than anyone can eat.

Growing Tips

Don't let them stay in the ground too long — they get pithy and hot. Succession plant every 2 weeks for continuous harvest.

Companion Planting

Plant radishes alongside these companions for better growth:

Peas Lettuce Carrots Spinach

The Bottom Line

Radishes can be grown successfully in Texas with proper attention to regional frost dates and local growing conditions. Timing varies across the state — North Texas (Dallas) gardeners work with a last frost around Mar 10 - Mar 25, while East Texas sees frost end around Mar 1 - Mar 20. Choose varieties suited to your region, amend your soil based on its specific needs, and monitor for the pests and diseases most common in your area. For exact dates based on your zip code, use our free planting date finder.

Related Guides

Radishes Growing Guide National planting guide with all states Texas Planting Calendar All plants for Texas Radishes in Alabama Alabama planting dates Radishes in Alaska Alaska planting dates Radishes in Arizona Arizona planting dates Radishes in Arkansas Arkansas planting dates
Note: All dates are based on NOAA 30-year Climate Normals and represent historical averages, not predictions for any specific year. Always check your local weather forecast before planting frost-sensitive crops. Learn about our data sources.

Last reviewed: March 29, 2026

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