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Can You Grow Spinach in Washington?

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

Grows well here

Spinach grows well here — it thrives in your cool-season growing window.

Plant zones

2a–9a

Washington last frost

late January

Washington first frost

mid-December

Days to harvest

40–50 days

When to plant Spinach in Washington

Direct sow

Jan 30

Harvest

Mar 11 – Mar 21

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

About Spinach

Spinach is a cold-hardy fast-growing leafy green that thrives in cool weather and handles light frost.

Sow directly in early spring or fall. Harvest outer leaves to extend the season. Bolts quickly in summer heat — shade cloth helps. Perfect for containers and indoor growing.

Full spinach 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 Spinach in Washington?

Spinach grows well here — it thrives in your cool-season growing window.

What zone is Washington?

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

When do you plant Spinach in Washington?

Plant Spinach Jan 30, harvest Mar 11 – Mar 21.