Growing zucchini in zone 9a
In USDA zone 9a, the typical last spring frost is March 2 and the first fall frost is November 26. Here is when to plant zucchini against those dates.
Direct sow outdoorsMarch 2 to March 16
Expected harvestApril 26 to May 10About 55 to 55 days from sowing.
These are zone 9a averages
Computed from 2,196 ZIP codes in zone 9a. 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 zucchini from Clemson Cooperative Extension, Home & Garden Information Center. Zone dates are medians; local conditions vary.