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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

  • It's a good idea to cut grass shorter in the fall than in the summer.
    Lowering the setting on your mower one or two notches, especially for the last mowing offers two major benefits:
    Shorter grass doesn't mat down during winter rains and snows. Matting can lead to disease and big problems come spring.
    A shorter lawn makes leaf cleanup much easier. On a windy day, many of the leaves may simply blow away!
    When you put the mower away at the end of the season, remember to reset its cutting height to a higher setting.