When to plant lettuce in Washington
Common questions
When can I sow lettuce outdoors in Washington?
Direct-sow around late February (Feb 24–Mar 17) in Washington, based on its local frost dates. Confidence 89%.
When will lettuce be ready to harvest in Washington?
Expect to harvest from around mid April (Apr 17–May 2) in Washington, based on its local frost dates. Confidence 80%.
When should I start lettuce seeds indoors in Washington?
Start seeds indoors around late February (Feb 24–Mar 17) in Washington, based on its local frost dates. Confidence 85%.
When can I transplant lettuce outdoors in Washington?
Transplant outdoors around early March (Mar 3–Mar 24) in Washington, based on its local frost dates. Confidence 89%.
Can I plant lettuce in autumn in Washington?
Yes — Washington supports a second, autumn sowing of lettuce around mid August (Aug 15–Aug 29), timed to mature before the first fall frost.
How long is the growing season in Washington?
Washington has roughly 234 frost-free days, which is enough time to grow lettuce to maturity outdoors.
Sow lettuce as soon as the soil is workable — it tolerates cool weather and light frost. Every date on this page is derived from that rule and Washington's frost dates.