Rainline Garden

When to plant carrots in Moses Lake, WA

Plant carrots from seed, directly in the garden in Moses Lake, Apr 1 – May 27. For a fall harvest, plant again Jul 16–30.

Moderate Plant seeds in the ground

Why these dates

Moses Lake's typical last spring frost is April 27. As a cool-season crop that handles light frost, this crop doesn't need to wait for that date. In the Columbia Basin and low eastern valleys, though, the soil usually isn't ready to work until about April 1.

Columbia Basin and low eastern valleys. Hot, dry summers and quick spring warm-up. Warm crops go in earlier than west of the Cascades, and irrigation matters more than rain.

Difficulty
Moderate
Sun
Full sun
Spacing
Thin to 2 inches apart
Planting depth
¼ inch deep
Frost
Handles light frost
First harvest
About 70 days after planting

Step by step

  1. Prepare the bed: loosen the soil and mix in an inch or two of compost.
  2. Plant seeds Apr 1 – May 27, ¼ inch deep, Thin to 2 inches apart.
  3. Keep the soil evenly moist until sprouts appear, which can take one to three weeks in cool soil.
  4. Plant again Jul 16–30 for a fall harvest.
  5. Harvest: Pull when the shoulders are about ¾ inch across. Fall carrots sweeten after a light frost.

Varieties that do well here

  • Scarlet Nantes
  • Bolero
  • Danvers

Watch out for

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.

Common questions

When is the last frost in Moses Lake, WA?

Typically April 27. In 9 years out of 10, frost is over by May 11. These are 1991–2020 NOAA climate normals for Moses Lake Grant County Airport.

Is it too late to plant carrots in Moses Lake?

The spring planting window runs through May 27. If you miss it, plant again for fall from July 16 to July 30.

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.

Also plant in Moses Lake around the same time

Planting dates for carrots in nearby areas

Full planting calendar for Moses Lake · Carrots in every city