Best Plants For Knoxville, IL

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

If growing food is your aim, vegetables hardy to Knoxville 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.

Small Greenhouse Kit

Compact greenhouse perfect for small spaces.

Rustic Iron Garden Trellis

Sturdy trellis for supporting climbing plants and vines.

Trees for Knoxville

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)

White Pine (Pinus strobus)

Fruits for Knoxville

Apples

Apricots

Blackberries

Blueberries

Cherries

Concord grapes

Currants

Elderberries

Figs

Gooseberries

Hardy kiwi

Honeyberries

Mulberries.

Peaches

Pears

Plums

Quince

Raspberries

Rhubarb

Strawberries

Cluck Around Sign

Whimsical sign for your chicken coop area.

Deluxe Plastic Watering Can

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

Flowers for Knoxville

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)

Zinnias

Vegetables for Knoxville

Beets

Broccoli

Brussels Sprouts

Cabbage

Carrots

Cauliflower

Cucumbers

Kale

Leeks

Lettuce

Onions

Peas

Pumpkins

Radishes

Spinach

Squash

Swiss Chard

Tomatoes

Turnips

Zucchini

Map of IL Hardiness Zones

Choose plants with your zone in mind

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

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Wooden Chicken Coop

Spacious and secure home for your backyard chickens.

Brass Watering Can

Elegant brass watering can with classic design and durability.

Cluck Around Sign

Whimsical sign for your chicken coop area.

Raised Garden Bed Kit

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

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 Decorative Faucet Handle

Elegant brass handle to enhance your garden faucet.

Metal Seed Storage Box

Organized storage solution for your seed collection.

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Cluck Around Sign

Whimsical sign for your chicken coop area.

Fiskars Garden Harvest Basket

Sturdy basket for collecting and carrying your garden harvest.

Raised vegetable bed rows in zone 8a

Knoxville's Temperature

The USDA growing zone is 5b in Knoxville, IL. 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 Knoxville is -15 to -10 degrees Fahrenheit. If you would like to learn more, visit our page on the growing zone for Knoxville, IL.

Map of Knoxville

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.

Hoeing Ain't Easy Garden Sign

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

Metal Seed Storage Box

Organized storage solution for your seed collection.

Hydroponic Garden Grow Kit

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

All Towns In IL

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.

Cluck Around Sign

Whimsical sign for your chicken coop area.

Metal Seed Storage Box

Organized storage solution for your seed collection.

Hoeing Ain't Easy Garden Sign

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

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.

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.

Brass Watering Can

Elegant brass watering can with classic design and durability.

Shiitake Mushroom Kit

Grow your own delicious shiitake mushrooms at home.

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.

Raised Garden Bed Kit

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

Hydroponic Garden Grow Kit

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