Growing garlic in zone 4b
In USDA zone 4b, the typical last spring frost is May 8 and the first fall frost is October 1. Here is when to plant garlic against those dates.
Plant in fallOctober 8 to October 15
These are zone 4b averages
Computed from 1,251 ZIP codes in zone 4b. 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 garlic from University of Minnesota Extension. Zone dates are medians; local conditions vary.