The USDA cautions against using the plant hardiness zones, which are based on 30-year averages, as indicators for climate change. But gardeners say the maps reflect one of the ways they’re ...

The USDA Plant Hardiness Zone Map consists of 13 individual zones that take in all of the contiguous United States, plus Alaska, Hawaii, and Puerto Rico. The first zone lies at the coldest and ...

The Plant Hardiness Zone Map is based on the average annual extreme minimum winter temperature, displayed as 10-degree F zones ranging from zone 1 (coldest) to zone 13 (warmest), the USDA notes.

USDA zones are based on averages, not isolated events, and plants can be killed if the temperatures in the winter dip too low regardless of what the new map says.

The hardiness zone map is not a guarantee your plant will survive. It's important to understand that the USDA hardiness zone is an indication of which plants are most likely to thrive in a location.

The Plant Hardiness Zone Map is based on the average annual extreme minimum winter temperature, displayed as 10-degree F zones ranging from zone 1 (coldest) to zone 13 (warmest), the USDA notes.

The USDA plant hardiness zone map has been around since 1960 and has been updated several times since then. About half of the country is now placed a half zone warmer than they were in the last ...

For reference, the interior of Alaska is in USDA Hardiness Zone 1a, experiencing average minimum temperatures of -60 to -55° F, while the Hawaiian Islands are in zone 13b, experiencing average ...

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 ...

The USDA 2012 Plant Hardiness Zone Map. USDA The USDA Plant Hardiness Zone Map divides the United States and Canada into 13 zones, based on the average annual minimum winter temperature.

The USDA announced Wednesday, Jan. 25, 2012 new maps for plant hardiness zones, a key to determine which plants can survive in what parts of the country.

Cumberland New USDA Plant Hardiness Zone Map reflects warmer growing climates with increased accuracy Updated: Jun. 17, 2012, 9:19 a.m. | Published: Jun. 17, 2012, 8: ...