Growing watermelon in zone 8b

In USDA zone 8b, the typical last spring frost is March 17 and the first fall frost is November 14. Here is when to plant watermelon against those dates.

Transplant outdoorsMarch 17 to March 31

Direct sow outdoorsMarch 17 to March 31

Expected harvestJune 10 to June 29About 85 to 90 days from transplanting.

These are zone 8b averages

Computed from 3,378 ZIP codes in zone 8b. Your town's frost dates vary; enter your ZIP for dates built on your nearest weather station.

Get my exact dates

USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service / Oregon State University PRISM Group. NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020. Planting windows for watermelon from Clemson Cooperative Extension, Home & Garden Information Center. Zone dates are medians; local conditions vary.