United states time zone map2/20/2024 ![]() To assist with learning more about climate maps and what and when to plant, Alabama Extension agents are a phone call or short drive away. Sometimes, using large databases can be confusing. The USDA offers this hardiness zone map as the standard for gardeners and growers. To get the most out of seasonal plantings, referencing this governmental resource is necessary for success. And during winter, a north-facing side of the house may have more shade and possibly see more damage if we experience a harsh cold front.” For example, plants growing on the southwestern side of a house may be exposed to extreme temperatures in the summer. “But something homeowners also really need to pay attention to is the effect of microclimates as well. “The USDA hardiness zone map is an important tool in determining what plants you select,” Brown said. These miniature biomes are everywhere, and something as small-scale as a backyard can have its own microclimate.īrown said these small areas are something homeowners need to pay attention to, in addition to consulting the hardiness zone map The hardiness zones in Alabama have shifted north, which is an indication of the change of temperatures over the past 30 years.” MicroclimatesĪ microclimate is a uniform climate of a local site or habitat. “This new version includes data collected from several thousand more weather stations throughout the U.S.,” Brown said. The majority of Alabama is now zone 8a and 8b.īrian Brown, Alabama Extension home grounds regional agent, said a decade’s worth of new data will exponentially improve planting decisions. The zones for 2023 have shifted to a warmer range from 9b in the coastal region to 7b in extreme north Alabama. The map uses the previous 30-year average annual extreme minimum winter temperature to determine plant hardiness.Īccording to the last hardiness zone survey presented in 2012, Alabama’s zones ranged from 8a to 7a. The zones are measured in color-coordinated scale, ranging from extremely cold climates (1a) to warmer, tropical climates (13b). 2023 USDA Plant Hardiness Zone Map for Alabama.ĭown to the street you live on, the 2023 USDA Hardiness Zone Map shares - in detail - what climate conditions plants need to thrive at a given location.
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