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 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 map of the US is divided into zones, separated by ten degrees. It starts with 1a (Alaska) and goes all the way up to 13b (Puerto Rico), and the mainland U.S. tends to live between zones 5 and 10.

The kind of plants you can grow have changed slightly in most regions of Canada according to the federal government’s latest Plant Hardiness Zones map — the first such update since 2014.

The 2023 map is about 2.5 degrees warmer than the 2012 map, translating into about half of the country shifting to a warmer zone. The new Plant Hardiness Zone Map.

Because winter hardiness is a concern to gardeners around the country, the U.S. Department of Agriculture developed a Plant Hardiness Zone Map based on the average minimum temperatures experienced ...

With the 2012 map improvements, there now is even a ClimateWise Plant Hardiness app for the iPhone or iPad, which allows users to determine their hardiness zone, as well as the dates of first fall ...

The new Plant Hardiness Zone Map reveals that about half of the country shifted to the next warmer half zone, when compared to the previous map, compiled in 2012.

Home / Homegrown: New Plant Hardiness Zone map Homegrown: New Plant Hardiness Zone map Cindy Hadish Feb. 1, 2012 3:44 pm A young Oriental bittersweet vine makes its way up a tree trunk on Marilynn ...

In contrast, the 1990 map was based on temperature data from only a 13-year period of 1974-1986. 1990 USDA plant hardiness: USDA In the 1990 map above you can see the scale is less fine.

Since the last map was released in 2012, all of Wisconsin's hardiness zones have shifted about half a zone warmer, said Laura Jull, associate professor in the plant and agrosystem sciences ...