When to plant radishes in Coos Bay and North Bend, OR

Plant radishes from seed, directly in the garden in Coos Bay and North Bend, Mar 25 – May 20. For a fall harvest, plant again Sep 3–17.

Easy Plant seeds in the ground

Why these dates

Coos Bay and North Bend's typical last spring frost is February 21. On the coast, the soil is usually ready for radishes around March 25.

Coast. Mild winters but cool, foggy summers. Frost is rarely the problem; warmth is. Pick early, cool-tolerant varieties of tomatoes and squash.

Prepare the bed: loosen the soil and mix in an inch or two of compost.
Plant seeds Mar 25 – May 20, 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.

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.

When is the last frost in Coos Bay and North Bend, OR?

Typically February 21. In 9 years out of 10, frost is over by March 25. These are 1991–2020 NOAA climate normals for North Bend Regional Airport.

Is it too late to plant radishes in Coos Bay and North Bend?

The spring planting window runs through May 20. 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.