Growing pumpkin in zone 9b
In USDA zone 9b, the typical last spring frost is February 1 and the first fall frost is December 9. Here is when to plant pumpkin against those dates.
Direct sow outdoorsFebruary 1 to February 15
Expected harvestApril 12 to June 15About 70 to 120 days from sowing.
These are zone 9b averages
Computed from 2,081 ZIP codes in zone 9b. Your town's frost dates vary; enter your ZIP for dates built on your nearest weather station.
Get my exact datesUSDA 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 pumpkin from Clemson Cooperative Extension, Home & Garden Information Center. Zone dates are medians; local conditions vary.