The online map displays 13 zones for the country, each divided by 10 degrees Fahrenheit of difference, moving from coldest to warmest. Each zone also has half-zones, with 5 degrees of difference ...

Thirty years later in 1990, the USDA released an updated Plant Hardiness Zone Map. This map took data from close to 8,000 weather stations and used data from the period from 1974 to 1986.

Earlier this past week, the United States Department of Agriculture issued a press release announcing the new cold hardiness zones for the United States. This announcement came after years of ...

USDA Plant Hardiness Zone Map for Arizona, 2023. How heat factors into growing decisions Treeland Nurseries in Mesa labels plants based on their cold tolerance and tags them so consumers can make ...

For instance, if you live in USDA Zone 8 and AHS Heat Zone 7, look for plants tagged within those zones to ensure they are well-suited to your region’s winter cold and summer heat. Each plant ...

Lydia tells us that you can easily find your zone using the USDA Plant Hardiness Zone Map, which is available online. "Just enter your zip code, and the map will show your zone based on climate ...

The 2023 map incorporated data from more than 13,000 weather stations compared to the 8,000 that were used for the 2012 map. The maps highlighted 13 different zones around the country in 5-degree ...