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Growing Zone Information

  zone map key code


This USDA map divides the country into PLANT HARDINESS ZONES based on average lowest winter temperatures (see map below). We include ZONE ranges in our descriptions of hardy plants so you can tell if the plants you choose can survive in your location or the location of a gift recipient. We ship live plants, roots and bulbs at the right time for planting for your zone.

For annuals we list your expected Spring frost free date - this is helpful in determining when you can safely plant annual seeds and plants.

Your Zone Zone 10 Zone 9 Zone 8 Zone 7 Zone 6 Zone 5 Zone 4 Zone 3
Your Lowest Temp (F.) 30° to 40° + 20° to 30° 10° to 20° 0° to 10° -10° to 0° -20° to -10° -30° to -20° -40° to -30°
Your Last Frost Date (approximate) February Early March Early April Late April Mid- May Late May Early June Mid- June

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Gardening Tip of the Day

  • Of all the summer crops, with the possible exception of okra, eggplant is the most finicky when it comes to temperature. The plants simply refuse to tolerate cool weather. Plants set out too early grow slowly, can be stunted, and usually produce smaller yields. If you really want eggplant to thrive, don't be in a hurry to get them in the ground. Wait until about a month after your last spring frost, preferably until overnight temperatures stay in the 60s. Generally, the later you wait the better the production.