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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

  • There’s nothing like going into the garden in the middle of December to pull large, luscious parsnips for your holiday dinner. Wash and gently scrub the roots, then briefly steam them to make paring easier. With larger roots, remove the woody core and use only the tender outer flesh.

    To retain the parsnip's delightful, sweet flavor, don’t boil them as the sugar in the roots dissolves in water. Many people ruin the taste of parsnips by cooking them until they’re mushy and bland. The best way to prepare parsnips is to brown the slices in butter or sauté them in a little oil, keeping the heat low to lock in the flavors and avoid scorching the sugar in the flesh. Or simply bake them. If you want a simple side dish for Christmas dinner, steam parsnip slices with fresh peas until tender and serve drenched in melted butter. It’s so delicious, it’s almost decadent!