Best Plants For O'Fallon, IL

A variety of plants are suitable for O'Fallon's climate. The growing zone for the area is usually 7a, with average annual lows of 0 to 5 degrees Fahrenheit. Scroll down for a full list of the best plants for O'Fallon, IL based on our analysis of the region's information.

If growing food is your aim, vegetables hardy to O'Fallon include beets, bell peppers and broccoli, while fruits like apples, apricots and blackberries will flourish.

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

Deluxe Plastic Watering Can

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

Small Greenhouse Kit

Compact greenhouse perfect for small spaces.

Trees for O'Fallon

American Beech

American Holly

Black Cherry

Black Walnut

Blue Spruce

Dogwood

Eastern Red Cedar

Green Ash

Honey Locust

Northern Red Oak

Pin Oak.

Redbud

River Birch

Silver Maple

Sugar Maple

Sweetgum

White Ash

White Oak

White Pine

Yellow Poplar (Tulip Tree)

Fruits for O'Fallon

Apples

Apricots

Blackberries

Blueberries

Cherries

Currants

Elderberries

Figs

Grapes

Kiwifruit

Mulberries

Nectarines

Pawpaw

Peaches

Pears

Persimmons

Plums

Pomegranates

Raspberries

Strawberries

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.

Flowers for O'Fallon

Azaleas

Butterfly Bush

Chrysanthemums

Coneflowers

Daffodils

Daylilies

Geraniums

Hostas

Hydrangeas

Iris

Lavender

Marigolds

Pansies

Petunias

Phlox

Roses

Salvia

Sunflowers

Tulips

Zinnia

Vegetables for O'Fallon

Beets

Bell Peppers

Broccoli

Cabbage

Carrots

Cucumbers

Eggplant

Garlic

Green Beans

Kale

Lettuce

Onions

Radishes

Spinach

Squash

Sweet Corn

Sweet Potatoes

Swiss Chard

Tomatoes

Zucchini

Map of IL Hardiness Zones

Choose plants with your zone in mind

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

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.

Small Greenhouse Kit

Compact greenhouse perfect for small spaces.

Deluxe Plastic Watering Can

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

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Best Time to Plant in O'Fallon

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

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.

Cluck Around Sign

Whimsical sign for your chicken coop area.

Stainless Steel Garden Tool Set

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

Hydroponic Garden Grow Kit

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

Raised Garden Planter

Elevated planter for easy access and better drainage.

Worm Composting Kit

Complete kit for starting your own worm composting system.

Raised vegetable bed rows in zone 8a

O'Fallon's Temperature

USDA Growing Zone: 7a

Zip Codes: 62269

Longitude: -89.9148

Latitude: 38.5974

Lowest Avg Temperatures (F): 0 to 5

The USDA growing zone is 7a in O'Fallon, 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 O'Fallon is 0 to 5 degrees Fahrenheit. If you would like to learn more, visit our page on the growing zone for O'Fallon, IL.

Map of O'Fallon

Raised Garden Planter

Elevated planter for easy access and better drainage.

Metal Seed Storage Box

Organized storage solution for your seed collection.

Worm Composting Kit

Complete kit for starting your own worm composting system.

Fiskars Garden Harvest Basket

Sturdy basket for collecting and carrying your garden harvest.

Shiitake Mushroom Kit

Grow your own delicious shiitake mushrooms at home.

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Tools You'll Love

Stainless Steel Garden Tool Set

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

Deluxe Plastic Watering Can

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

Cluck Around Sign

Whimsical sign for your chicken coop area.

Shiitake Mushroom Kit

Grow your own delicious shiitake mushrooms at home.

Brass Decorative Faucet Handle

Elegant brass handle to enhance your garden faucet.

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.

Cluck Around Sign

Whimsical sign for your chicken coop area.

Large Greenhouse Kit

Spacious greenhouse for extending your growing season.

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.

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.

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