Climate check: The updated USDA Hardiness Zone Map

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By Heather Kirk-Ballard LSU AgCenter horticulturist In November, the U.S. Department of Agriculture released its latest version of the Hardiness Zone Map. This mapping system categorizes geographic regions according to their average annual minimum winter temperatures. The map helps by assisting gardeners, horticulturists and landscaping experts in choosing plants suited to specific climates. The USDA Hardiness Zone Map has a history dating back several decades, and it has undergone multiple revisions

In November, the U.S. Department of Agriculture released its latest version of the Hardiness Zone Map. This mapping system categorizes geographic regions according to their average annual minimum winter temperatures. The map helps by assisting gardeners, horticulturists and landscaping experts in choosing plants suited to specific climates. The USDA Hardiness Zone Map has a history dating back…

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