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Sprout Authority

Growing zucchini 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 zucchini against those dates.

Direct sow outdoorsMarch 17 to March 31
Expected harvestMay 11 to May 25About 55 to 55 days from sowing.

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 zucchini from Clemson Cooperative Extension, Home & Garden Information Center. Zone dates are medians; local conditions vary.