A hardiness zone is a geographic area with a similar average minimum temperature. The map is based on the average annual extreme minimum temperature, so people in those areas know which plants can ...
The Plant Hardiness Zone Map is based on the average annual extreme minimum winter temperatures (based on a 30-year average from 1991-2020) displayed as 10-degree Fahrenheit zones ranging from ...
A homeowner in Colorado showcased the wild beauty of ... The Redditor also noted they paid attention to the USDA Hardiness Zone Map, saying they live in Zone 5b at 6,500-foot altitude.