The USDA Hardiness Zone Map, the arbiter of cold hardiness for plants, underwent a massive revamping in November, throwing the gardening world into a bit of chaos. As a new gardening season dawns, ...
Q: Do the changes to the USDA zone-hardiness map affect what plants we should buy? A: The USDA created the Plant Hardiness Zone Map to help gardeners select plants that will survive in their ...
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