Growing zucchini in zone 5a
In USDA zone 5a, the typical last spring frost is May 3 and the first fall frost is October 5. Here is when to plant zucchini against those dates.
Direct sow outdoorsMay 3 to May 17
Expected harvestJune 27 to July 11About 55 to 55 days from sowing.
These are zone 5a averages
Computed from 2,383 ZIP codes in zone 5a. 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.