With the recent development of an enhanced Plant Hardiness Zone Map, the United States Department of Agriculture (USDA) has provided farmers and gardeners a more accurate guide to planting in ...

“The USDA plant hardiness zone map gives us an idea of our average high and low temperatures,” says McClure. She comes from a horticultural family and manages about 100 volunteer master gardeners ...

The new USDA plant hardiness map updates this one, made in 1990. Her area of study is urban landscapes, particularly trees. She uses Ithaca as "my downtown lab." ...

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 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.

Hardiness Zones 101. 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.

And last week, the USDA confirmed it by releasing an updated climate zone map for 2023. For many gardeners, that means a change in growing zones. Skip to Main Content ...

The new map, created by USDA's Agricultural Research Service and Oregon State University, is based on 30 years of data from 13,412 weather stations, almost twice as many as the old map.

A new Plant Hardiness Zone Map released by the federal government Wednesday shows that temperatures across the country are getting warmer and could affect gardens and crops. The map is designed to ...

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.

USDA releases new Plant Hardiness Zone Map The 2023 map uses data from 13,412 weather stations from 1991 to 2020. Cheryl McCloud. USA TODAY NETWORK - Florida.

Like all tools, you have to take the USDA Zone Map with a grain of salt. It doesn’t mean you shouldn’t try to grow plants that are listed for zone 8b.