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The USDA Plant Hardiness Zone Map has been updated. Here's how it affects Duval County
The USDA (U.S. Department of Agriculture) released an updated Plant Hardiness Zone Map in mid ... published in 2012 and put Duval County in Zone 9A. The average annual extreme low temperature ...
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Here's How to Use the USDA's Plant Hardiness Zone Map
Whenever you purchase a new perennial plant, shrub, or tree, you've probably noticed information about hardiness zones on the ...