Zone crop calendar
When to plant watermelon in Zone 9a
These supported ZIPs share the same zone label but still use ZIP-specific frost dates.
Jacksonville, FL · Zone 9a
Watermelon Mar 15
Open answer · last frost Mar 1
San Antonio, TX · Zone 9a
Watermelon Mar 15
Open answer · last frost Mar 1
Las Vegas, NV · Zone 9a
Watermelon Mar 15
Open answer · last frost Mar 1
Portland, OR · Zone 9a
Watermelon Apr 15
Open answer · last frost Apr 1
Seattle, WA · Zone 9a
Watermelon Apr 3
Open answer · last frost Mar 20