On the 2012 Plant Hardiness Zone map ... On the revised 2023 map, about half of Ohio is in Zone 6b, where the average low temperature range is -5 to 0 degrees Fahrenheit. The other half of ...
IDAHO FALLS — Gardeners often talk about plant hardiness. This term refers ... Eastern Idaho zones range from 3b to 6a (maybe 6b along the rivers). Much of eastern Idaho is labeled as zone ...