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

Plant spinach from seed, directly in the garden in Coos Bay and North Bend, Mar 25 – Apr 29. For a fall harvest, plant again Aug 20 – Sep 10.

Moderate 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 spinach 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 – Apr 29, ½ inch deep, 3 inches apart.
Keep the soil evenly moist until sprouts appear, which can take one to three weeks in cool soil.
Plant again Aug 20 – Sep 10 for a fall harvest.
Harvest: Cut outer leaves once plants have five or six, or cut the whole plant before it sends up a flower stalk.

Bolts (goes to seed) as days lengthen in late spring. Sow early, and sow again in late summer for fall and winter.

Bolts when days get long and warm, so spring sowings should go in early.

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 spinach in Coos Bay and North Bend?

The spring planting window runs through April 29. If you miss it, plant again for fall from August 20 to September 10.

How long until I can harvest spinach?

About 45 days after planting. Cut outer leaves once plants have five or six, or cut the whole plant before it sends up a flower stalk.