🍠 Can I Plant Radish in Tacoma, WA?

2026 planting guide for Zone 8b · Last frost ~March 15 · Growing season ~245 days

✅ YES — Good temps, but watch for heat — highs near 82°F

Temperature conditions are suitable for Radish. Highs near 82°F are on the warm side — make sure plants have plenty of water.

Planting window: May 4 – May 18
Good to go — plant now while conditions are right.
Live result based on current forecast for Tacoma, WA · Updates every 6 hours
USDA Zone
8b
Last Spring Frost
~March 15
First Fall Frost
November 15
Growing Season
~245 days
Ideal Temp for Radish
40–65°F
Frost Risk
✅ Tolerant

Growing Radish in Tacoma

Tacoma's Zone 8b maritime climate, like Seattle, features cool, cloudy summers that challenge heat-loving plants. Tomatoes and peppers need the warmest, most sun-exposed spot in the yard or benefit from a hoop house. Cool-season crops are where Tacoma gardens shine — kale, chard, lettuce, peas, and broccoli produce spectacularly in the mild, moist Pacific Northwest climate, often with year-round harvests.

In Tacoma (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 Tacoma, WA?

In Tacoma (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 Tacoma?

Tacoma, WA is in USDA Plant Hardiness Zone 8b. The last expected spring frost is around March 15, 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 Tacoma 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 Tacoma 2026?

Yes — Radish grows well in Tacoma, WA. With a Zone 8b climate and a growing season of ~245 days, Tacoma 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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