Zones for Gardening In November of 2023, for the first time in a decade, the U.S. Department of Agriculture made a change to the “Plant Hardiness Zone” map.

USDA Plant Hardiness Zone Map: planthardiness.ars.usda.gov/PHZMWeb . U of MN Extension Soil Testing: soiltest.cfans.umn.edu .

Grow With KARE Grow with KARE: New year, new zone - Part 1 The USDA released a new zone map recently, moving much of the metro and southern Minnesota into zone 5. Zone 4 shifted north, as well.