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Can You Grow Microgreens in Washington?

US · USDA Zone 8b · zones 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b

Grows well here

Microgreens grow indoors here regardless of outdoor conditions — they are a year-round indoor crop.

Plant zones

1a–11b

Washington last frost

late January

Washington first frost

mid-December

Days to harvest

7–21 days

When to plant Microgreenses in Washington

Direct sow

Jan 30

Harvest

Feb 6 – Feb 20

Dates are approximate, based on Washington's average frost dates. Your exact yard may vary by microclimate.

About Microgreens

Microgreens grow indoors in any zone any climate — they need no garden just a tray some soil and light.

Sow seeds densely in a shallow tray with seed-starting mix. Keep moist and bright or under a grow light. Harvest with scissors just above soil level when first true leaves appear.

Full microgreens growing guide →

Gardening in Washington

Washington has dramatically different climates. The wet maritime west (Zone 8a-8b) is mild and productive year-round. Eastern Washington is semi-arid and colder (Zone 5-6) with hot dry summers.

See what grows well in Washington →

Frequently asked questions

Can you grow Microgreens in Washington?

Microgreens grow indoors here regardless of outdoor conditions — they are a year-round indoor crop.

What zone is Washington?

Washington spans USDA Zone 8b (4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b).

When do you plant Microgreenses in Washington?

Plant Microgreenses Jan 30, harvest Feb 6 – Feb 20.