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The 2023 USDA plant hardiness zone map, which shows which areas of the country are suitable for growing plants and crops based on the lowest temperatures during the growing season.
The USDA Plant Hardiness Zone Map Just Changed for the First Time in Over 10 Years. AnnMarie Mattila. March 17, 2024 at 9:00 AM. ... According to the new map released in November 2023, about half ...
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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]
The USDA Hardiness Zones for Georgia range from Zone 7A (0 °F to 5 °F) in the mountains to Zone 9B (25 °F to 30 °F) along portions of the coast. [3] Despite having moderate weather compared to many other states, Georgia has occasional extreme weather.
Hopkins' bioclimatic law states that in North America east of the Rockies, a 130-m (400-foot) increase in elevation, a 4° change in latitude North (444.48 km), or a 10° change in longitude East (two-thirds of a time zone) will cause a biological event to occur four days later in the spring or four days earlier in the fall. [1]
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 ...
The climate of Atlanta and its metropolitan area is humid subtropical (Cfa) according to the Köppen classification, with four seasons including hot, humid summers and cool winters that are occasionally cold by the standards of the southern United States; the city and its immediate suburbs are located in USDA Plant Hardiness Zone 8a, although the far northern suburbs begin to transition to ...