Zip code 31050 is in USDA hardiness zone 8b, which means plants there can survive temperatures as low as 15 to 20°F each year.

31050 is in zone 8b. Hardiness zones and growing zones are the same thing, and the terms are used interchangeably.

Use zone 8b when selecting plants for 31050. Plants rated for other zones may not survive 31050's winter temperatures. Always check plant tags and labels for zone recommendations.

While you can try plants from other zones in 31050, they may need winter protection or indoor shelter during cold spells. Focus on plants recommended for Knoxville's climate for the best results.

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

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

Recommended vegetables for 31050 include Beets, Bell Peppers, Broccoli, Cabbage, Carrots, Collard Greens, Cucumbers, Eggplant, Garlic, Green Beans, Kale, Lettuce, Okra, Onions, Radish, Spinach, Sweet Potatoes, Swiss Chard, Tomatoes and Zucchini.

The best fruits for 31050 include Apple, Apricot, Blackberry, Blueberry, Cherry, Fig, Grape, Kiwi, Lemon, Lime, Mulberry, Olive, Orange, Peach, Pear, Persimmon, Plum, Pomegranate, Raspberry and Strawberries.

For 31050 we recommend flowers like Azalea, Begonia, Camellia, Chrysanthemums, Clematis, Coneflower, Cosmos, Dahlia, Daphne, Daylily, Gardenia, Geranium, Hydrangea, Iris, Lilac, Marigold, Peony, Roses, Viburnum and Wisteria.

Trees for 31050's temperatures include American Holly, American Sycamore, Bald Cypress, Black Walnut, Catalpa Tree, Eastern Redbud, European Beech, Japanese Maple, Pear Tree, River Birch, Saucer Magnolia, Southern Live Oak, Southern Red Oak, Sugar Maple, Sweet Bay Magnolia, Tulip Poplar, White Ash, Witch Hazel, Yoshino Cherry and Yulan Magnolia.

We're still building our shrubs database for 31050. Our data is updated regularly with the latest USDA data, so check back often.