
When to plant radishes in Centralia and Chehalis, WA
Plant radishes from seed, directly in the garden in Centralia and Chehalis, Mar 11 – May 6. For a fall harvest, plant again Sep 3–17.
Why these dates
Centralia and Chehalis's typical last spring frost is April 22. As a cool-season crop that handles light frost, this crop can go in about 6 weeks before that.
West-side valleys. The Willamette Valley, Puget Sound and southern Oregon valleys. Long frost-free seasons, but soil stays cold and wet into May, so warm crops wait for warm soil, not just the last frost.
- Difficulty
- Easy
- Sun
- Full sun; tolerates light shade
- Spacing
- 1 inch apart (thin to 2 inches)
- Planting depth
- ½ inch deep
- Frost
- Handles light frost
- First harvest
- About 28 days after planting
Step by step
- Prepare the bed: loosen the soil and mix in an inch or two of compost.
- Plant seeds Mar 11 – May 6, ½ inch deep, 1 inch apart (thin to 2 inches).
- Keep the soil evenly moist until sprouts appear, which can take one to three weeks in cool soil.
- Plant again Sep 3–17 for a fall harvest.
- Harvest: Most are ready in about four weeks. Pull them while they're small; they turn woody if left too long.
Varieties that do well here
- Cherry Belle
- French Breakfast
- Easter Egg
Watch out for
Cabbage root maggots tunnel into roots in cool, wet springs. Row cover laid on at sowing keeps the flies off.
Sow a short row every two weeks for a steady supply.
Common questions
When is the last frost in Centralia and Chehalis, WA?
Typically April 22. In 9 years out of 10, frost is over by May 10. These are 1991–2020 NOAA climate normals for Centralia.
Is it too late to plant radishes in Centralia and Chehalis?
The spring planting window runs through May 6. If you miss it, plant again for fall from September 3 to September 17.
How long until I can harvest radishes?
About 28 days after planting. Most are ready in about four weeks. Pull them while they're small; they turn woody if left too long.
Also plant in Centralia and Chehalis around the same time
Planting dates for radishes in nearby areas
- Vancouver, WA Mar 1 – Apr 26
- Longview and Kelso, WA Mar 1 – Apr 26
- Portland, OR Mar 1 – Apr 26
- Gresham, OR Mar 1 – Apr 26
- Wilsonville and Canby, OR Mar 1 – Apr 26
- Salem, OR Mar 1 – Apr 26
Full planting calendar for Centralia and Chehalis · Radishes in every city