Environment Lifestyle Using USDA zone-hardiness map to chart your plant purchases Originally published February 15, 2012 at 3:00 pm Updated February 16, 2012 at 6:43 am ...

About half of the country moved into a slightly warmer zone in the Agriculture Department’s new “plant hardiness” map, an important guide for gardeners. Climate change may be a factor.

For example, the coldest hardiness zone in the lower 48 states on the new map, 3a, covers small pockets in the northernmost parts of Minnesota and has winter extreme temperatures of -40 F to -35 F.

For example, Seattle, Washington, and the city of Austin, Texas, are both in the USDA hardiness zone 9a because the map is a measure of the coldest temperature a plant can handle.

MILWAUKEE - The USDA recently released the updated 2023 Plant Hardiness Zone Map, which indicates the average minimum low temperature an area can experience on a yearly basis. Just about all of ...

Heat domes, atmospheric rivers, bomb cyclones, and polar vortex—you’re not crazy, the weather is. And last week, the USDA confirmed it by releasing an updated climate zone map for 2023. For ...

Plant hardiness zone map an important, but not tell-all tool for gardeners The 2023 map is about 2.5 degrees warmer than the 2012 map, translating into about half of the country shifting to a ...

INDIANA, USA — New Plant Hardiness Zone maps updated by the US Department of Agriculture released this week show a drastically reduced Zone 5 throughout Indiana, while Zone 7 makes an appearance in ...

If you live in USDA hardiness zone 8 and are not sure what to plant, here is a comprehensive list of ones you should consider adding to your home garden.

The USDA and Harvard University developed the hardiness zones during the 1920s and '30s, and the hardiness zone maps were first published by the U.S. Department of Agriculture in 1960.

But Fornari thinks it would be unwise to invest in plants that push the edge of our hardiness zone. "Don't bet the farm on it," she said. Eric Williams, when not solving Curious Cape Cod mysteries ...

The hardiness of a plant is largely measured by how well it can withstand cold winter temperatures, so something that can survive the minimum temperature in Zone 5 would find Zone 4 to be too cold.