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MAY 1, 2026
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The Plant Guide Online

Growing zones & plants for every town in America

Best Plants For Newcastle, UT

A variety of plants are suitable for Newcastle's climate. According to our data, the growing zone for the area is 5b, with average annual lows of -15 to -10 degrees Fahrenheit. Scroll down for a full list of the best plants for Newcastle, UT based on our analysis of the region's climate.

If growing food is your aim, vegetables hardy to Newcastle include beets, broccoli and brussels sprouts, while fruits like apples, apricots and blackberries will flourish.

For flower beds, go with choices like asters, black-eyed susans (rudbeckia) and bleeding heart (dicentra spectabilis) for the best results.

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โ˜…

Trees for Newcastle

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 Newcastle

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 Newcastle

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 Newcastle

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

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Frequently Asked Questions

Have questions about plants for your area? Check out our FAQ below for quick answers to common questions about what plants grow best in the Newcastle, UT climate.

โ„– 01What vegetables grow well in Newcastle?+

Some of the best vegetables for Newcastle, UT include beets, broccoli and brussels sprouts. Other recommended vegetables include Cabbage, Carrots and Cauliflower based on Newcastle's USDA hardiness zone.

โ„– 02What fruits grow well in Newcastle?+

Some of the best fruits for Newcastle, UT include apples, apricots and blackberries. Other recommended fruits include Blueberries, Cherries and Concord grapes based on Newcastle's USDA hardiness zone.

โ„– 03What flowers grow well in Newcastle?+

Some of the best flowers for Newcastle, UT include asters, black-eyed susans (rudbeckia) and bleeding heart (dicentra spectabilis). Other recommended flowers include Coneflowers (Echinacea), Daylilies (Hemerocallis) and Forsythia based on Newcastle's USDA hardiness zone.

โ„– 04What trees grow well in Newcastle?+

Some of the best trees for Newcastle, UT include american beech (fagus grandifolia), american elm (ulmus americana) and american sycamore (platanus occidentalis). Other recommended trees include Black Walnut (Juglans nigra), Blue Spruce (Picea pungens) and Cottonwood (Populus deltoides) based on Newcastle's USDA hardiness zone.

โ„– 05What shrubs grow well in Newcastle?+

We're still building our shrubs database for Newcastle, UT. Browse all shrubs or search by postal code to find more plants.

Map of UT Hardiness Zones

โ€” Plate โ€”UT ยท USDA hardiness
plants by zone map for Newcastle, UT
Choose plants with your zone in mind

Choosing plants based on the Newcastle hardiness zone ensures that your plants will be able to survive the lowest annual temperatures in your area of Utah.

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Best Time to Plant in Newcastle

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

Need Gardening Gear?

PlantGuideOnline.com has selected some of our favorite products to help you with your next growing project. From seed starting trays and fertilizers to decor and lifestyle items, we think you'll love what we've selected.

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Newcastle's Temperature

USDA Growing Zone: 5b

Zip Codes:

Longitude: -113.5644

Latitude: 37.6628

Lowest Avg Temperatures (F): -15 to -10

The USDA growing zone is 5b in Newcastle, UT. This is a measure of the lowest temperature that a plant can survive, helping to decide what plants would be suitable for the region's climate. According to our records, the average annual extreme minimum temperature in Newcastle is -15 to -10 degrees Fahrenheit. If you would like to learn more, visit our page on the USDA plant hardiness zone for Newcastle.

Do you know your zip code? Use the zip code links listed above to find planting recommendations tailored to your exact neighborhood within Newcastle, UT.

Map of Newcastle

โ€” Map โ€”Lat 37.6628, Lon -113.5644
Tile data ยฉ Google Maps

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All Towns In UT

Tools You'll Love

PlantGuideOnline.com has selected some of our favorite products to help you with your next growing project. From seed starting trays and fertilizers to decor and lifestyle items, we think you'll love what we've selected.

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Plants For Other States

Looking for the best plants in a different area of the United States? Click on a button below to find plants that are ideal for that state's temperatures.

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