When to plant melon (cantaloupe/watermelon) in Philadelphia
Common questions
When can I sow melon (cantaloupe/watermelon) outdoors in Philadelphia?
Direct-sow around early June (Jun 6–Jun 27) in Philadelphia, based on its local frost dates. Confidence 84%.
When will melon (cantaloupe/watermelon) be ready to harvest in Philadelphia?
Expect to harvest from around mid August (Aug 20–Sep 14) in Philadelphia, based on its local frost dates. Confidence 78%.
When should I start melon (cantaloupe/watermelon) seeds indoors in Philadelphia?
Start seeds indoors around mid March (Mar 20–Apr 10) in Philadelphia, based on its local frost dates. Confidence 83%.
When can I transplant melon (cantaloupe/watermelon) outdoors in Philadelphia?
Transplant outdoors around early June (Jun 6–Jun 27) in Philadelphia, based on its local frost dates. Confidence 84%.
How long is the growing season in Philadelphia?
Philadelphia 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 Philadelphia's frost dates.