Skip to content
Sprout Authority

Growing cucumber in zone 3b

In USDA zone 3b, the typical last spring frost is May 17 and the first fall frost is September 23. Here is when to plant cucumber against those dates.

Start seeds indoorsApril 19
Transplant outdoorsMay 17 to May 31
Direct sow outdoorsMay 17 to May 31

These are zone 3b averages

Computed from 224 ZIP codes in zone 3b. 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 cucumber from University of Minnesota Extension. Zone dates are medians; local conditions vary.