🍠 Can I Plant Radish in Irving, TX?

2026 planting guide for Zone 8a · Last frost ~March 15 · Growing season ~247 days

✅ YES — Good temps, but watch for heat — highs near 102°F

Temperature conditions are suitable for Radish. Highs near 102°F are on the warm side — make sure plants have plenty of water.

Planting window: Jun 18 – Jul 2
Good to go — plant now while conditions are right.
Live result based on current forecast for Irving, TX · Updates every 6 hours
USDA Zone
8a
Last Spring Frost
~March 15
First Fall Frost
November 17
Growing Season
~247 days
Ideal Temp for Radish
40–65°F
Frost Risk
✅ Tolerant

Growing Radish in Irving

Irving's Zone 8a location in the Dallas–Fort Worth Metroplex provides the standard long North Texas growing season of approximately 245 days. Las Colinas and the broader Irving area feature the typical heavy black clay soils that benefit greatly from organic matter amendments. Warm-season crops thrive from March through June, and the fall garden from September through November is often the most rewarding season.

In Irving (last frost around March 15), radish can go out around February — approximately 6 weeks before the last expected frost, making it an early-season opportunity.

Radish thrives between 40°F and 65°F. It tolerates temperatures as low as 32°F, making it a candidate for early spring planting before the last frost date. Expect 22–30 days from transplant to first harvest. One of the fastest vegetables. Spring or fall.

Frequently Asked Questions

When can I plant radish in Irving, TX?

In Irving (last frost around March 15), radish can go out around February — approximately 6 weeks before the last expected frost, making it an early-season opportunity.

What is the USDA hardiness zone for Irving?

Irving, TX is in USDA Plant Hardiness Zone 8a. The last expected spring frost is around March 15, and the first fall frost arrives around November 17. This zone classification helps you understand which perennials survive winter and when annual vegetables can safely go outdoors.

Is it safe to plant radish outside in Irving right now?

That depends on the current weather forecast. Radish needs temperatures above 32°F (ideally 40–65°F) to thrive. CanIPlant checks your real 7-day forecast and any active frost alerts to give you a live YES, NO, or WAIT answer — just enter your ZIP code.

Can I grow radish in Irving 2026?

Yes — Radish grows well in Irving, TX. With a Zone 8a climate and a growing season of ~247 days, Irving is well-suited for cool-season crops like radish. As a frost-tolerant crop, radish can even go out a few weeks before the last frost date.

Grow Radish in Other Cities

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