Best Plants For New Castle, DE

A variety of plants are suitable for New Castle's climate. The growing zone for the area is usually 7b, with average annual lows of 5 to 10 degrees Fahrenheit. Scroll down for a full list of the best plants for New Castle, DE based on our analysis of the region's information.

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

For flower beds, go with choices like azaleas, begonias and chrysanthemums for the best results.

Raised Garden Planter

Elevated planter for easy access and better drainage.

Deluxe Plastic Watering Can

High-capacity watering can with comfortable grip and precise spout.

Trees for New Castle

American Holly (Ilex opaca)

American White Elm (Ulmus americana)

Bald Cypress (Taxodium distichum)

Black Willow (Salix nigra)

Carolina Silverbell (Halesia carolina)

Dogwood (Cornus florida)

Eastern Redbud (Cercis canadensis)

Eastern White Pine (Pinus strobus)

Loblolly Pine (Pinus taeda)

Northern Red Oak (Quercus rubra)

Red Maple (Acer rubrum)

River Birch (Betula nigra)

Southern Magnolia (Magnolia grandiflora)

Sugar Maple (Acer saccharum)

Sweetgum (Liquidambar styraciflua)

Sycamore (Platanus occidentalis)

Tulip Poplar (Liriodendron tulipifera)

Virginia Pine (Pinus virginiana)

White Ash (Fraxinus americana)

White Oak (Quercus alba)

Fruits for New Castle

Apples

Apricots

Blackberries

Blueberries

Cherries

Currants

Elderberries

Figs

Grapes

Kiwi

Mulberries

Peaches

Pears

Persimmons

Plums

Pomegranates

Quince

Raspberries

Strawberries

Walnuts

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Raised Garden Planter

Elevated planter for easy access and better drainage.

Flowers for New Castle

Azaleas

Begonias

Chrysanthemums

Coneflowers

Crocuses

Daffodils

Dahlia

Daylilies

Geraniums

Hyacinths

Hydrangeas

Irises

Lavender

Lilies

Marigold

Pansies

Periwinkle

Petunias

Roses

Tulips

Vegetables for New Castle

Beets

Broccoli

Brussels Sprouts

Cabbage

Carrots

Collard Greens

Cucumbers

Eggplant

Green Beans

Kale

Lettuce

Peas

Radishes

Spinach

Squash

Sweet Bell Peppers

Swiss Chard

Tomatoes

Turnips

Zucchini

Map of DE Hardiness Zones

Choose plants with your zone in mind

Choosing plants based on the growing zone for New Castle ensures that your plants will be able to survive the lowest annual temperatures in your area of Delaware.

Hoeing Ain't Easy Garden Sign

Fun and decorative garden sign to add personality to your space.

Hydroponic Garden Grow Kit

Grow fresh herbs and vegetables year-round with this indoor hydroponic garden system.

Raised Garden Bed Kit

Easy-to-assemble raised garden bed for better soil control and drainage.

Rustic Iron Garden Trellis

Sturdy trellis for supporting climbing plants and vines.

Metal Seed Storage Box

Organized storage solution for your seed collection.

Need Gardening Gear?

The Plant Guide Online 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.

Brass Watering Can

Elegant brass watering can with classic design and durability.

Cluck Around Sign

Whimsical sign for your chicken coop area.

Large Greenhouse Kit

Spacious greenhouse for extending your growing season.

Hydroponic Garden Grow Kit

Grow fresh herbs and vegetables year-round with this indoor hydroponic garden system.

Stainless Steel Garden Tool Set

Complete garden tool set with heavy-duty stainless steel tools for all your gardening needs.

Raised vegetable bed rows in zone 8a

New Castle's Temperature

The USDA growing zone is 7b in New Castle, DE. 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 New Castle is 5 to 10 degrees Fahrenheit. If you would like to learn more, visit our page on the growing zone for New Castle, DE.

Map of New Castle

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Deluxe Plastic Watering Can

High-capacity watering can with comfortable grip and precise spout.

Fiskars Garden Harvest Basket

Sturdy basket for collecting and carrying your garden harvest.

Wooden Chicken Coop

Spacious and secure home for your backyard chickens.

Shiitake Mushroom Kit

Grow your own delicious shiitake mushrooms at home.

All Towns In DE

Tools You'll Love

The Plant Guide Online 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.

Large Greenhouse Kit

Spacious greenhouse for extending your growing season.

Wooden Chicken Coop

Spacious and secure home for your backyard chickens.

Brass Watering Can

Elegant brass watering can with classic design and durability.

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.

Stainless Steel Garden Tool Set

Complete garden tool set with heavy-duty stainless steel tools for all your gardening needs.

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.

Small Greenhouse Kit

Compact greenhouse perfect for small spaces.

Rustic Iron Garden Trellis

Sturdy trellis for supporting climbing plants and vines.

Metal Seed Storage Box

Organized storage solution for your seed collection.

Deluxe Plastic Watering Can

High-capacity watering can with comfortable grip and precise spout.

Cluck Around Sign

Whimsical sign for your chicken coop area.