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2. The USDA Plant Hardiness Zone Map Just Changed for the ... - AOL

   www.aol.com/usda-plant-hardiness-zone-map...

   According to the new map released in November 2023, about half of the United States has shifted to a new hardiness zone. That's really big news if you consider 80 million Americans use this map to ...

3. Hardiness zone - Wikipedia

   en.wikipedia.org/wiki/Hardiness_zone

   For practical purposes, Canada has adopted the American hardiness zone classification system. The 1990 version of the USDA Plant Hardiness Zone Map included Canada and Mexico, but they were removed with the 2012 update to focus on the United States and Puerto Rico. [8] The Canadian government publishes both Canadian and USDA-style zone maps. [37]

4. Here's How to Use the USDA's Plant Hardiness Zone Map - AOL

   www.aol.com/handy-map-tells-plants-thrive...

   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.

5. Is it getting warmer? What the USDA's new plant hardiness map ...

   www.aol.com/getting-warmer-usdas-plant-hardiness...

   As of the most recent release, the November 2023 map has the US broken into 13 cold hardiness zones in 10-degree Fahrenheit intervals, with each zone further broken into “a” (the warmer half ...

6. Hardiness (plants) - Wikipedia

   en.wikipedia.org/wiki/Hardiness_(plants)

   Hardiness of plants is defined by their native extent's geographic location: longitude, latitude and elevation. These attributes are often simplified to a hardiness zone. In temperate latitudes, the term most often describes resistance to cold, or "cold-hardiness", and is generally measured by the lowest temperature a plant can withstand.

7. Garden: Here's how climate change is affecting the USDA ... - AOL

   www.aol.com/garden-heres-climate-change...

   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. In ...