Home › Cucumber › Grow in Washington

Can You Grow Cucumber in Washington?

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

Grows well here

Cucumbers grow quickly here — expect harvest within 50-70 days of transplanting after last frost.

Plant zones

3b–11b

Washington last frost

late January

Washington first frost

mid-December

Days to harvest

50–70 days

When to plant Cucumbers in Washington

Start indoors

Jan 9

Transplant

Jan 30

Harvest

Mar 21 – Apr 10

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

About Cucumber

Cucumbers are fast-growing warm-season crops that produce heavily once summer heat arrives.

Direct sow or transplant after all frost risk passes — cucumbers hate cold. Keep soil consistently moist. Train vines up a trellis to save space and improve airflow.

Full cucumber 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 Cucumber in Washington?

Cucumbers grow quickly here — expect harvest within 50-70 days of transplanting after last frost.

What zone is Washington?

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

When do you plant Cucumbers in Washington?

Plant Cucumbers around late January (start indoors Jan 9), harvest Mar 21 – Apr 10.