Determining Plant Hardiness in Your Garden: The New USDA Map & Other Resources

Have you recently had a perennial plant overwinter that you didn’t expect would survive because it wasn’t designated to be hardy in your area of the country? If so, you might be wondering why. A clue to the answer lies in the newly updated USDA Plant Hardiness Zone Map (PHZM) that was released at the end of 2023. The map’s information has long been relied upon by gardeners, growers, and researchers to help determine which plants will survive, and which won’t, in their growing areas. The PHZM’s updates reflect changes that impact about half of the country, with the overall…

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Beech Tree at White Flower Farm

Winter Protection

As this is written in early November, it’s still too early to apply winter protection to newly-planted perennials, but it’s not too early to plan for it, if you garden in a cold-winter area (USDA Zone 6 [-10°F] or colder).…

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