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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Erica Anderson

10 Factoids About Iris

From ancient Greek mythology to 19th-century art to today’s scientific analysis of anthocyanins, the breadth of Iris topics may surprise you. Here are 10 facts that we hope round out your view of these fascinating plants. 1 Iris is the…

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Surprised by Shade

When summer reaches its zenith, visitors to the gardens at White Flower Farm may enjoy one of the many shady recesses on the property in which to escape the sun and continue their exploration of plants great and small. The…

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