Zip code 21821 is in USDA hardiness zone 8a, which means plants there can survive temperatures as low as 10 to 15°F each year.

21821 is in zone 8a. Hardiness zones and growing zones are the same thing, and the terms are used interchangeably.

Use zone 8a when selecting plants for 21821. Plants rated for other zones may not survive 21821's winter temperatures. Always check plant tags and labels for zone recommendations.

While you can try plants from other zones in 21821, they may need winter protection or indoor shelter during cold spells. Focus on plants recommended for Deal Island's climate for the best results.

For detailed growing zone information, visit our page on the growing zone for Deal Island.

Absolutely. We offer plant recommendations for every town in the United States. We have a page on the best plants for Deal Island that you might be interested in.

Recommended vegetables for 21821 include Beets, Broccoli, Brussels Sprouts, Carrots, Collard Greens, Cucumbers, Eggplant, Green Beans, Kale, Lettuce, Okra, Peppers, Radishes, Red Cabbage, Spinach, Squash, Sweet Corn, Swiss Chard, Tomatoes and Zucchini.

The best fruits for 21821 include Apple, Apricot, Blackberries, Blueberries, Cherry, Currants, Fig, Grape, Kiwi, Lemon, Mulberry, Orange, Peach, Pear, Persimmon, Plum, Pomegranate, Raspberries, Strawberries and Strawberry.

For 21821 we recommend flowers like Azalea, Black-eyed Susan, Butterfly weed, Chrysanthemum, Coneflower, Daylily, Four o'clock, Geranium, Hydrangea, Impatiens, Lavender, Marigold, Pansy, Peony, Phlox, Snapdragons, Sunflower, Turf Lily, Virginia Bluebell. and Zinnia.

Trees for 21821's temperatures include American Beech, American Holly, American Sycamore, Bald Cypress, Black Cherry, Chinese Elm, Dogwood, Eastern Redbud, Eastern White Pine, Honey Locust, Live Oak, Loblolly Pine, London Plane Tree, Red Maple, River Birch, Silver Maple, Southern Magnolia, Sweetbay Magnolia, Tulip Poplar and White Oak.

We're still building our shrubs database for 21821. Our data is updated regularly with the latest USDA data, so check back often.