🍠 Can I Plant Radish in Cleveland, OH?

2026 planting guide for Zone 6a · Last frost ~April 20 · Growing season ~186 days

✅ YES — Good temps, but watch for heat — highs near 84°F

Temperature conditions are suitable for Radish. Highs near 84°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 Cleveland, OH · Updates every 6 hours
USDA Zone
6a
Last Spring Frost
~April 20
First Fall Frost
October 23
Growing Season
~186 days
Ideal Temp for Radish
40–65°F
Frost Risk
✅ Tolerant

Growing Radish in Cleveland

Cleveland's Zone 6a climate on Lake Erie's southern shore offers about 185 frost-free days, with the lake extending fall temperatures and moderating early spring freezes. The reliable summer warmth — not too hot, not too cool — is ideal for tomatoes, cucumbers, and greens. Start warm-season crops indoors by late March and transplant after the last frost in late April.

In Cleveland (last frost around April 20), radish can go out around March — 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 Cleveland, OH?

In Cleveland (last frost around April 20), radish can go out around March — approximately 6 weeks before the last expected frost, making it an early-season opportunity.

What is the USDA hardiness zone for Cleveland?

Cleveland, OH is in USDA Plant Hardiness Zone 6a. The last expected spring frost is around April 20, and the first fall frost arrives around October 23. 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 Cleveland 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 Cleveland 2026?

Yes — Radish grows well in Cleveland, OH. With a Zone 6a climate and a growing season of ~186 days, Cleveland 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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