The U.S. Department of Agriculture unveiled its long-awaited update of its 1990 U.S. Plant Hardiness Zone Map Thursday at the National Arboretum in Washington. The map, which was revised to reflect ...

As gardeners and farmers across the country decide which plants to grow this spring, many look to plant hardiness zones for guidance. The U.S. (including Alaska and Hawaii) is divided into 13 plant ...

The United States Department of Agriculture (USDA) has released a new Plant Hardiness Zone Map (PHZM), the first update since 2012. The new map shows that most of the country, including New York State ...

We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Sometimes called “growing zones” or “gardening zones,” USDA plant hardiness zones refer ...

Have you ever looked at the tag on a plant at your local garden center and been perplexed that it says something like “Zones 5-9”? This number refers to the “hardiness zones” defined by the U.S.

Question: I know the USDA recently issued a new Hardiness Zone map. I live in Lehigh Acres, which is a little colder than most of Lee County. With the changes, I’m wondering if I can consider ...

Unless you've got a heated greenhouse, you won't be able to grow citrus in Michigan or jasmine in New York for the simple fact that the winters are too cold. While the range limits of some plants are ...