🍠 Can I Plant Radish in Atlanta, GA?

2026 planting guide for Zone 7b · Last frost ~March 20 · Growing season ~240 days

✅ YES — Good temps, but watch for heat — highs near 93°F

Temperature conditions are suitable for Radish. Highs near 93°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 Atlanta, GA · Updates every 6 hours
USDA Zone
7b
Last Spring Frost
~March 20
First Fall Frost
November 15
Growing Season
~240 days
Ideal Temp for Radish
40–65°F
Frost Risk
✅ Tolerant

Growing Radish in Atlanta

Atlanta's Zone 7b climate in the Piedmont provides roughly 240 frost-free days. Spring arrives in earnest by late March, giving gardeners an excellent head start on warm-season crops. The hot, humid summers are productive for tomatoes, peppers, and squash but require attention to fungal diseases. Fall gardens starting in late August often outperform spring ones.

In Atlanta (last frost around March 20), 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 Atlanta, GA?

In Atlanta (last frost around March 20), 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 Atlanta?

Atlanta, GA is in USDA Plant Hardiness Zone 7b. The last expected spring frost is around March 20, and the first fall frost arrives around November 15. 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 Atlanta 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 Atlanta 2026?

Yes — Radish grows well in Atlanta, GA. With a Zone 7b climate and a growing season of ~240 days, Atlanta 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

New York, NYLos Angeles, CAChicago, ILHouston, TXPhoenix, AZPhiladelphia, PASan Antonio, TXSan Diego, CA

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