Best Plants For New Castle, DE

A variety of plants are suitable for New Castle's climate. According to our data, the growing zone for the area is 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 climate.

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.

Hydroponic Garden Grow Kit

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

Wooden Chicken Coop

Spacious and secure home for your backyard chickens.

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

Cluck Around Sign

Whimsical sign for your chicken coop area.

Fiskars Garden Harvest Basket

Sturdy basket for collecting and carrying your garden harvest.

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

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 New Castle, DE climate.

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.

Metal Seed Storage Box

Organized storage solution for your seed collection.

Wooden Chicken Coop

Spacious and secure home for your backyard chickens.

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.

Brass Watering Can

Elegant brass watering can with classic design and durability.

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.

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Brass Decorative Faucet Handle

Elegant brass handle to enhance your garden faucet.

Fiskars Garden Harvest Basket

Sturdy basket for collecting and carrying your garden harvest.

Stainless Steel Garden Tool Set

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

Reusable Grow Bags

Breathable fabric grow bags that promote healthy root growth for your vegetables and fruits.

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

Worm Composting Kit

Complete kit for starting your own worm composting system.

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.

Metal Seed Storage Box

Organized storage solution for your seed collection.

Brass Decorative Faucet Handle

Elegant brass handle to enhance your garden faucet.

Fiskars Garden Harvest Basket

Sturdy basket for collecting and carrying your garden harvest.

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.

Deluxe Plastic Watering Can

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

Rustic Iron Garden Trellis

Sturdy trellis for supporting climbing plants and vines.

Brass Watering Can

Elegant brass watering can with classic design and durability.

Hoeing Ain't Easy Garden Sign

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

Shiitake Mushroom Kit

Grow your own delicious shiitake mushrooms at home.

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.

Metal Seed Storage Box

Organized storage solution for your seed collection.

Brass Decorative Faucet Handle

Elegant brass handle to enhance your garden faucet.

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.

Brass Watering Can

Elegant brass watering can with classic design and durability.