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Can You Grow Broccoli in Washington?

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

Grows well here

Broccoli grows well here as a spring or fall crop — time planting to avoid peak summer heat.

Plant zones

2a–9b

Washington last frost

late January

Washington first frost

mid-December

Days to harvest

60–80 days

When to plant Broccolis in Washington

Start indoors

Jan 1

Transplant

Jan 30

Harvest

Mar 31 – Apr 20

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

About Broccoli

Broccoli is a cool-season crop that produces best in spring and fall when temperatures are moderate.

Start indoors 6-8 weeks before last frost for spring planting or direct sow in midsummer for fall. Harvest the main head before it flowers — side shoots continue producing after.

Full broccoli 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 Broccoli in Washington?

Broccoli grows well here as a spring or fall crop — time planting to avoid peak summer heat.

What zone is Washington?

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

When do you plant Broccolis in Washington?

Plant Broccolis around late January (start indoors Jan 1), harvest Mar 31 – Apr 20.