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Hardiness Zones One of the biggest problems any gardener has is in choosing the right plant for the correct Hardiness Zone. Make sure you know what Hardiness Zone your plant will live in comfortably. The Hardiness Zone should be listed with the description and cultural care guidelines prior to any purchase. If it isn't, don't buy the plant. And if the nursery can't guarantee that the plant is suited for this area (Zone 6) or colder (Zones 5-1), leave immediately and buy from someone who knows what they're doing! To alleviate some of the confusion, eliminate the needless killing of plants and especially the wasting of your hard-earned money, use the Hardiness Map below. Both the USDA and Rutgers University have issued their own respective Plant Hardiness Zone Maps. The USDA Map is shown below; Rutgers' Map will be added as soon as the latest version is available. Zones Zone 1 (below -50 degrees F) Zone 2 (-50 to -40 degrees F) Zone 3 (-40 to -30 degrees F) Zone 4 (-30 to -20 degrees F) Zone 5 (-20 to -10 degrees F) Zone 6 (-10 to 0 degrees F) Zone 7 (0 to 10 degrees F) Zone 8 (10 to 20 degrees F) Zone 9 (20 to 30 degrees F) Zone 10 (30 to 40 degrees F) ©1996 - 2008. All Rights Reserved Worldwide. John Shelley's Garden Center & Nursery, Inc. 13579 Winterstown Road, Felton, PA. 17322-8522 vox: (717) 246-1414 1-800-828-3405 (Pa-Md) fax: (717) 246-2170 Last updated 4/15/08. 32,883,911 visitors since 1/26/96.