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

  • Impatiens make terrific houseplants. If you hate to lose all your impatiens to the first frost, save a few to grow as houseplants over the winter. When pulling up plants from the garden, look for young seedlings. Use a potting soil mixture to pot up these plants. Keep evenly moist and prune plants back a bit if they get too large or lanky. Feed with a diluted liquid fertilizer every month to keep plants looking good. Plants need indirect light so place near a bright, west-facing window. Next summer, you can replant them outside.