When to plant radishes in Oregon and Washington
In Portland: Plant radishes from seed, directly in the garden, Mar 1 – Apr 26. For a fall harvest, plant again Sep 3–17. In Bend: Apr 28 – Jun 23. Find your city below.
- 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
Sow a short row every two weeks for a steady supply.
Radishes planting dates by city
| City | Plant in the garden | Plant again for fall |
|---|---|---|
| Astoria, OR | Mar 25 – May 20 | Sep 3–17 |
| Baker City, OR | Apr 20 – Jun 15 | Aug 4–18 |
| Bend and Redmond, OR | Apr 28 – Jun 23 | Aug 3–17 |
| Burns, OR | Apr 30 – Jun 25 | Jul 26 – Aug 9 |
| Coos Bay and North Bend, OR | Mar 25 – May 20 | Sep 3–17 |
| Eugene, OR | Mar 1 – Apr 26 | Sep 3–17 |
| Gresham, OR | Mar 1 – Apr 26 | Sep 3–17 |
| Klamath Falls, OR | Apr 28 – Jun 23 | Aug 7–21 |
| Medford, OR | Mar 1 – Apr 26 | Sep 3–17 |
| Pendleton, OR | Mar 20 – May 15 | Sep 3–17 |
| Portland, OR | Mar 1 – Apr 26 | Sep 3–17 |
| Roseburg, OR | Mar 1 – Apr 26 | Sep 3–17 |
| Salem, OR | Mar 1 – Apr 26 | Sep 3–17 |
| The Dalles, OR | Mar 20 – May 15 | Sep 3–17 |
| Wilsonville and Canby, OR | Mar 1 – Apr 26 | Sep 3–17 |
| Aberdeen and Hoquiam, WA | Mar 25 – May 20 | Sep 3–17 |
| Bellingham, WA | Mar 1 – Apr 26 | Sep 3–17 |
| Ellensburg, WA | Apr 1 – May 27 | Aug 26 – Sep 9 |
| Everett, WA | Mar 1 – Apr 26 | Sep 3–17 |
| Forks, WA | Mar 25 – May 20 | Sep 3–17 |
| Moses Lake, WA | Mar 20 – May 15 | Aug 27 – Sep 10 |
| Olympia, WA | Mar 18 – May 13 | Sep 2–16 |
| Omak and Okanogan, WA | Apr 1 – May 27 | Aug 26 – Sep 9 |
| Seattle and Tacoma, WA | Mar 1 – Apr 26 | Sep 3–17 |
| Spokane, WA | Apr 1 – May 27 | Aug 31 – Sep 14 |
| Tri-Cities (Pasco, Kennewick, Richland), WA | Mar 20 – May 15 | Aug 30 – Sep 13 |
| Vancouver, WA | Mar 1 – Apr 26 | Sep 3–17 |
| Walla Walla, WA | Mar 20 – May 15 | Sep 3–17 |
| Wenatchee, WA | Mar 20 – May 15 | Sep 3–17 |
| Yakima, WA | Mar 27 – May 22 | Aug 23 – Sep 6 |
How to grow radishes
- Prepare the bed: loosen the soil and mix in an inch or two of compost.
- Plant seeds on your city's dates, 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 on your city's dates 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 in the Northwest
- 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.