When to plant carrots in Astoria, OR

Plant carrots from seed, directly in the garden in Astoria, Apr 1 – May 27. For a fall harvest, plant again Jul 23 – Aug 6.

Moderate Plant seeds in the ground

Why these dates

Astoria's typical last spring frost is March 26. On the coast, the soil is usually ready for carrots around April 1.

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 Apr 1 – May 27, ¼ inch deep, Thin to 2 inches apart.
Keep the soil evenly moist until sprouts appear, which can take one to three weeks in cool soil.
Plant again Jul 23 – Aug 6 for a fall harvest.
Harvest: Pull when the shoulders are about ¾ inch across. Fall carrots sweeten after a light frost.

Carrot rust fly larvae tunnel through roots. Cover the bed with insect netting from sowing on.

Keep the seedbed moist until they sprout, which can take two to three weeks in cool soil.

When is the last frost in Astoria, OR?

Typically March 26. In 9 years out of 10, frost is over by April 18. These are 1991–2020 NOAA climate normals for Astoria Regional Airport.

Is it too late to plant carrots in Astoria?

The spring planting window runs through May 27. If you miss it, plant again for fall from July 23 to August 6.

How long until I can harvest carrots?

About 70 days after planting. Pull when the shoulders are about ¾ inch across. Fall carrots sweeten after a light frost.