Zone crop calendar
When to plant watermelon in Zone 10a
These supported ZIPs share the same zone label but still use ZIP-specific frost dates.
Tampa, FL · Zone 10a
Watermelon Feb 15
Open answer · last frost Feb 1
Phoenix, AZ · Zone 10a
Watermelon Feb 19
Open answer · last frost Feb 5
Mesa, AZ · Zone 10a
Watermelon Feb 19
Open answer · last frost Feb 5
San Francisco, CA · Zone 10a
Watermelon Feb 8
Open answer · last frost Jan 25
Oakland, CA · Zone 10a
Watermelon Feb 15
Open answer · last frost Feb 1