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 ...

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.

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 ...

With spring on the horizon, many gardeners are preparing for prolonged, hearty growing seasons in their region. The United States has a diverse ecological footprint, so growing seasons differ slightly ...

Devised by the United States Department of Agriculture ... Interestingly, the first edition of the plant hardiness zone map was created by Arnold Arboretum at Harvard in 1927!

One of the major changes in this year’s edition of the hardiness map is the zone boundaries. The USDA states that the new zones are generally about one-quarter-zone warmer than reported in 2012 ...

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 ...

The United States Department of Agriculture (USDA) is responsible for creating a plant hardiness zone map. This tool divides the country into 13 color-coded areas based on their average extreme ...

As with the 2012 map, the new version has 13 zones across the United States and its territories. Each zone is broken into half zones, designated as “A” and “B.” For example, zone 7 is ...

Users may also simply type in a ZIP Code and find the hardiness zone for that area. The new version of the map includes 13 zones, with the addition for the first time of zones 12 (50-60 degrees ...

The U.S. Department of Agriculture unveiled its long-awaited update of its 1990 U.S. Plant Hardiness Zone Map Thursday at the ... that has occurred across the United States and around ...

On the 2012 Plant Hardiness Zone map, Greater Columbus (and a good portion of the rest of Ohio) was in Zone 6a, where the average lowest temperature ranges from -10 to -5 degrees Fahrenheit.