The Plant Guide Online  ยท  Celebrating 15 years online
MAY 1, 2026
Established 2011

The Plant Guide Online

Growing zones & plants for every town in America

What Plants Grow Well In 21539?

The USDA hardiness zone is 6a in the 21539 zip code. This zone is a measure of the lowest temperature that a plant can survive, and helps determine what plants would grow best in the area's climate. Below you'll find a list of the best plants for 21539's climate based on this hardiness zone.

Learn more about climate conditions on our page for Lonaconing's plant hardiness zone.

You can also look up the USDA growing zone for 21539 directly to see the temperature data behind these planting recommendations.

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Trees for 21539

20 on file
  • American ElmTree
  • Balsam FirTree
  • Black CherryTree
  • Black WalnutTree
  • Colorado Blue SpruceTree
  • Common JuniperTree
  • DogwoodTree
  • Eastern RedbudTree
  • Eastern White PineTree
  • Honey LocustTree
  • Japanese MapleTree
  • Northern Red OakTree
  • Norway SpruceTree
  • Paper BirchTree
  • Pin OakTree
  • Red MapleTree
  • Sugar MapleTree
  • SweetgumTree
  • White AshTree
  • Yellow BuckeyeTree
โ˜…

Fruits for 21539

20 on file
  • ApplesFruit
  • ApricotFruit
  • BlackberriesFruit
  • BlueberriesFruit
  • CurrantsFruit
  • ElderberriesFruit
  • FigsFruit
  • GrapesFruit
  • Hardy kiwiFruit
  • MulberriesFruit
  • NectarinesFruit
  • PeachFruit
  • PearsFruit
  • PersimmonsFruit
  • PlumsFruit
  • QuinceFruit
  • RaspberriesFruit
  • Sour cherriesFruit
  • StrawberriesFruit
  • Sweet cherriesFruit

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โ˜…

Flowers for 21539

20 on file
  • Black-eyed SusanFlower
  • Bleeding heartFlower
  • Butterfly BushFlower
  • Columbine.Flower
  • ConeflowerFlower
  • DaffodilsFlower
  • DaylilyFlower
  • GeraniumFlower
  • HydrangeaFlower
  • LavenderFlower
  • MarigoldFlower
  • PansiesFlower
  • PeonyFlower
  • RhododendronFlower
  • RoseFlower
  • SalviaFlower
  • Shasta DaisyFlower
  • SunflowerFlower
  • TulipsFlower
  • ZinniaFlower
โ˜…

Vegetables for 21539

20 on file
  • BeansVegetable
  • BeetsVegetable
  • Bell PeppersVegetable
  • BroccoliVegetable
  • CarrotsVegetable
  • CauliflowerVegetable
  • CornVegetable
  • CucumbersVegetable
  • EggplantVegetable
  • Green OnionsVegetable
  • KaleVegetable
  • LettuceVegetable
  • PeasVegetable
  • RadishesVegetable
  • SpinachVegetable
  • SquashVegetable
  • Swiss ChardVegetable
  • TomatoesVegetable
  • TurnipsVegetable
  • ZucchiniVegetable
โ€” Plate โ€”MD ยท USDA hardiness
best plants to grow in 21539

Planting Advice for 21539

Have questions about planting in 21539's climate? Check out our FAQ below for answers to common questions about growing plants in the area.

โ„– 01What hardiness zone is 21539?+

Zip code 21539 is in USDA hardiness zone 6a, which means plants there can survive temperatures as low as -10 to -5ยฐF each year.

โ„– 02What growing zone is 21539?+

21539 is in zone 6a. Hardiness zones and growing zones are the same thing, and the terms are used interchangeably.

โ„– 03What does zone 6a mean for 21539?+

Use zone 6a when selecting plants for 21539. Plants rated for other zones may not survive 21539's winter temperatures. Always check plant tags and labels for zone recommendations.

โ„– 04Can I grow plants for other zones in 21539?+

While you can try plants from other zones in 21539, they may need winter protection or indoor shelter during cold spells. Focus on plants recommended for Lonaconing's climate for the best results.

โ„– 05Where can I learn more about 21539's hardiness zone?+

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

โ„– 06Can I search for plants by town instead of postal code?+

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

โ„– 07Best vegetables for 21539?+

Recommended vegetables for 21539 include Beans, Beets, Bell Peppers, Broccoli, Carrots, Cauliflower, Corn, Cucumbers, Eggplant, Green Onions, Kale, Lettuce, Peas, Radishes, Spinach, Squash, Swiss Chard, Tomatoes, Turnips and Zucchini.

โ„– 08What fruits grow well in 21539?+

The best fruits for 21539 include Apples, Apricot, Blackberries, Blueberries, Currants, Elderberries, Figs, Grapes, Hardy kiwi, Mulberries, Nectarines, Peach, Pears, Persimmons, Plums, Quince, Raspberries, Sour cherries, Strawberries and Sweet cherries.

โ„– 09Good flowers for 21539?+

For 21539 we recommend flowers like Black-eyed Susan, Bleeding heart, Butterfly Bush, Columbine., Coneflower, Daffodils, Daylily, Geranium, Hydrangea, Lavender, Marigold, Pansies, Peony, Rhododendron, Rose, Salvia, Shasta Daisy, Sunflower, Tulips and Zinnia.

โ„– 10What trees grow well in 21539?+

Trees for 21539's temperatures include American Elm, Balsam Fir, Black Cherry, Black Walnut, Colorado Blue Spruce, Common Juniper, Dogwood, Eastern Redbud, Eastern White Pine, Honey Locust, Japanese Maple, Northern Red Oak, Norway Spruce, Paper Birch, Pin Oak, Red Maple, Sugar Maple, Sweetgum, White Ash and Yellow Buckeye.

โ„– 11Best shrubs for 21539?+

We're still building our shrubs database for 21539. Our data is updated regularly with the latest USDA data, so check back often.

Best Time to Plant in Lonaconing

Check the growing calendar for Lonaconing at the Old Farmer's Almanac to see the best planting times for the region.

โ€” Map โ€”Lat 39.59828, Lon -79.01074
Tile data ยฉ Google Maps

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Other Towns in Maryland

We have plant recommendations for most towns in Maryland. Select a town from the list below to find the best plants for your area based on the latest climate information.

Best Plants By State

Maryland not the right state? We have plant recommendations for every state, town and zip code in the United States. Choose a state from the list below to find the best plants for your area.

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