When to plant melon (cantaloupe/watermelon) in Washington
Common questions
When can I sow melon (cantaloupe/watermelon) outdoors in Washington?
Direct-sow around early June (Jun 3–Jun 24) in Washington, based on its local frost dates. Confidence 86%.
When will melon (cantaloupe/watermelon) be ready to harvest in Washington?
Expect to harvest from around mid August (Aug 17–Sep 11) in Washington, based on its local frost dates. Confidence 80%.
When should I start melon (cantaloupe/watermelon) seeds indoors in Washington?
Start seeds indoors around mid March (Mar 17–Apr 7) in Washington, based on its local frost dates. Confidence 85%.
When can I transplant melon (cantaloupe/watermelon) outdoors in Washington?
Transplant outdoors around early June (Jun 3–Jun 24) in Washington, based on its local frost dates. Confidence 86%.
How long is the growing season in Washington?
Washington has roughly 234 frost-free days, which is enough time to grow melon (cantaloupe/watermelon) to maturity outdoors.
Sow melon (cantaloupe/watermelon) 6–8 weeks before your last spring frost; plant out 2–3 weeks after it. Every date on this page is derived from that rule and Washington's frost dates.