When to plant melon (cantaloupe/watermelon) in St. Louis
Common questions
When can I sow melon (cantaloupe/watermelon) outdoors in St. Louis?
Direct-sow around mid May (May 20–Jun 10) in St. Louis, based on its local frost dates. Confidence 81%.
When will melon (cantaloupe/watermelon) be ready to harvest in St. Louis?
Expect to harvest from around early August (Aug 3–Aug 28) in St. Louis, based on its local frost dates. Confidence 76%.
When should I start melon (cantaloupe/watermelon) seeds indoors in St. Louis?
Start seeds indoors around mid March (Mar 20–Apr 10) in St. Louis, based on its local frost dates. Confidence 80%.
When can I transplant melon (cantaloupe/watermelon) outdoors in St. Louis?
Transplant outdoors around mid May (May 20–Jun 10) in St. Louis, based on its local frost dates. Confidence 81%.
How long is the growing season in St. Louis?
St. Louis has roughly 218 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 St. Louis's frost dates.