When to plant melon (cantaloupe/watermelon) in Seattle
Common questions
When can I sow melon (cantaloupe/watermelon) outdoors in Seattle?
Direct-sow around early August (Aug 9–Aug 30) in Seattle, based on its local frost dates. Confidence 81%.
When will melon (cantaloupe/watermelon) be ready to harvest in Seattle?
Expect to harvest from around late October (Oct 23–Nov 17) in Seattle, based on its local frost dates. Confidence 75%.
When should I start melon (cantaloupe/watermelon) seeds indoors in Seattle?
Start seeds indoors around late March (Mar 23–Apr 13) in Seattle, based on its local frost dates. Confidence 79%.
When can I transplant melon (cantaloupe/watermelon) outdoors in Seattle?
Transplant outdoors around early August (Aug 9–Aug 30) in Seattle, based on its local frost dates. Confidence 81%.
How long is the growing season in Seattle?
Seattle has roughly 237 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 Seattle's frost dates.