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 15857?

The USDA hardiness zone is 5b in the 15857 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 15857's climate based on this hardiness zone.

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

You can also look up the USDA growing zone for 15857 directly to see the temperature data behind these planting recommendations.

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โ˜…

Trees for 15857

20 on file
  • American Beech (Fagus grandifolia)Tree
  • American Elm (Ulmus Americana)Tree
  • American Sycamore (Platanus occidentalis)Tree
  • Black Walnut (Juglans nigra)Tree
  • Blue Spruce (Picea pungens)Tree
  • Cottonwood (Populus deltoides)Tree
  • Douglas Fir (Pseudotsuga menziesii)Tree
  • Eastern Hemlock (Tsuga canadensis)Tree
  • Eastern Redbud (Cercis canadensis)Tree
  • Honey Locust (Gleditsia triacanthos)Tree
  • Northern Red Oak (Quercus rubra)Tree
  • Norway Spruce (Picea abies)Tree
  • Red Maple (Acer rubrum)Tree
  • Red Oak (Quercus rubra)Tree
  • Silver Maple (Acer saccharinum)Tree
  • Sugar Maple (Acer saccharum)Tree
  • White Ash (Fraxinus americana)Tree
  • White Birch (Betula papyrifera)Tree
  • White Oak (Quercus alba)Tree
  • White Pine (Pinus strobus)Tree
โ˜…

Fruits for 15857

20 on file
  • ApplesFruit
  • ApricotsFruit
  • BlackberriesFruit
  • BlueberriesFruit
  • CherriesFruit
  • Concord grapesFruit
  • CurrantsFruit
  • ElderberriesFruit
  • FigsFruit
  • GooseberriesFruit
  • Hardy kiwiFruit
  • HoneyberriesFruit
  • Mulberries.Fruit
  • PeachesFruit
  • PearsFruit
  • PlumsFruit
  • QuinceFruit
  • RaspberriesFruit
  • RhubarbFruit
  • StrawberriesFruit

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โ˜…

Flowers for 15857

20 on file
  • AstersFlower
  • Black-Eyed Susans (Rudbeckia)Flower
  • Bleeding Heart (Dicentra Spectabilis)Flower
  • Coneflowers (Echinacea)Flower
  • Daylilies (Hemerocallis)Flower
  • ForsythiaFlower
  • Hardy GeraniumsFlower
  • HostasFlower
  • HydrangeasFlower
  • IrisFlower
  • Lilacs (Syringa)Flower
  • Marigolds (Tagetes)Flower
  • Peonies (Paeonia)Flower
  • PetuniasFlower
  • RhododendronsFlower
  • Roses (Rosa)Flower
  • Shasta Daisy (Leucanthemum superbum)Flower
  • Sunflowers (Helianthus)Flower
  • Tulips (Tulipa)Flower
  • ZinniasFlower
โ˜…

Vegetables for 15857

20 on file
  • BeetsVegetable
  • BroccoliVegetable
  • Brussels SproutsVegetable
  • CabbageVegetable
  • CarrotsVegetable
  • CauliflowerVegetable
  • CucumbersVegetable
  • KaleVegetable
  • LeeksVegetable
  • LettuceVegetable
  • OnionsVegetable
  • PeasVegetable
  • PumpkinsVegetable
  • RadishesVegetable
  • SpinachVegetable
  • SquashVegetable
  • Swiss ChardVegetable
  • TomatoesVegetable
  • TurnipsVegetable
  • ZucchiniVegetable
โ€” Plate โ€”PA ยท USDA hardiness
best plants to grow in 15857

Planting Advice for 15857

Have questions about planting in 15857's climate? Check out our FAQ below for answers to common questions about growing plants in the area.

โ„– 01What hardiness zone is 15857?+

Zip code 15857 is in USDA hardiness zone 5b, which means plants there can survive temperatures as low as -15 to -10ยฐF each year.

โ„– 02What growing zone is 15857?+

15857 is in zone 5b. Hardiness zones and growing zones are the same thing, and the terms are used interchangeably.

โ„– 03What does zone 5b mean for 15857?+

Use zone 5b when selecting plants for 15857. Plants rated for other zones may not survive 15857's winter temperatures. Always check plant tags and labels for zone recommendations.

โ„– 04Can I grow plants for other zones in 15857?+

While you can try plants from other zones in 15857, they may need winter protection or indoor shelter during cold spells. Focus on plants recommended for Saint Marys's climate for the best results.

โ„– 05Where can I learn more about 15857's hardiness zone?+

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

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 Saint Marys that you might be interested in.

โ„– 07Best vegetables for 15857?+

Recommended vegetables for 15857 include Beets, Broccoli, Brussels Sprouts, Cabbage, Carrots, Cauliflower, Cucumbers, Kale, Leeks, Lettuce, Onions, Peas, Pumpkins, Radishes, Spinach, Squash, Swiss Chard, Tomatoes, Turnips and Zucchini.

โ„– 08What fruits grow well in 15857?+

The best fruits for 15857 include Apples, Apricots, Blackberries, Blueberries, Cherries, Concord grapes, Currants, Elderberries, Figs, Gooseberries, Hardy kiwi, Honeyberries, Mulberries., Peaches, Pears, Plums, Quince, Raspberries, Rhubarb and Strawberries.

โ„– 09Good flowers for 15857?+

For 15857 we recommend flowers like Asters, Black-Eyed Susans (Rudbeckia), Bleeding Heart (Dicentra Spectabilis), Coneflowers (Echinacea), Daylilies (Hemerocallis), Forsythia, Hardy Geraniums, Hostas, Hydrangeas, Iris, Lilacs (Syringa), Marigolds (Tagetes), Peonies (Paeonia), Petunias, Rhododendrons, Roses (Rosa), Shasta Daisy (Leucanthemum superbum), Sunflowers (Helianthus), Tulips (Tulipa) and Zinnias.

โ„– 10What trees grow well in 15857?+

Trees for 15857's temperatures include American Beech (Fagus grandifolia), American Elm (Ulmus Americana), American Sycamore (Platanus occidentalis), Black Walnut (Juglans nigra), Blue Spruce (Picea pungens), Cottonwood (Populus deltoides), Douglas Fir (Pseudotsuga menziesii), Eastern Hemlock (Tsuga canadensis), Eastern Redbud (Cercis canadensis), Honey Locust (Gleditsia triacanthos), Northern Red Oak (Quercus rubra), Norway Spruce (Picea abies), Red Maple (Acer rubrum), Red Oak (Quercus rubra), Silver Maple (Acer saccharinum), Sugar Maple (Acer saccharum), White Ash (Fraxinus americana), White Birch (Betula papyrifera), White Oak (Quercus alba) and White Pine (Pinus strobus).

โ„– 11Best shrubs for 15857?+

We're still building our shrubs database for 15857. Our data is updated regularly with the latest USDA data, so check back often.

Best Time to Plant in Saint Marys

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

โ€” Map โ€”Lat 41.45671, Lon -78.53439
Tile data ยฉ Google Maps

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Other Towns in Pennsylvania

We have plant recommendations for most towns in Pennsylvania. 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

Pennsylvania 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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