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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

  • If you live in a region where snow is common during the winter but, has been lacking this year, take out the pruning shears are gather a little insurance for your garden.

    Snow acts as in insulator, protecting plants from the drying effect of wind and the heaving associated with the change between warmer daytime and colder nighttime temperatures. If you have had less snow than normal, now is a good time to cover perennial beds with evergreen boughs. Not only will they protect perennials, bulbs and the root zones of other plants, they add a great fresh look to the garden.