
Best Plants For St. Charles, IA
2023 USDA Growing Zone: 5b
Zip Codes: 50240
Longitude: -93.8075
Latitude: 41.2872
Lowest Avg Temperatures (F): -15 to -10
The 2023 USDA growing zone is 5b in St. Charles, IA. This climate hardiness zone is a measure of the lowest temperature that a plant can survive, helping you to decide what plants would be suitable for your climate. We have temperature requirement information and a map of U.S. hardiness zones over on our page on the growing zone for St. Charles, IA.

Cluck Around Sign
Whimsical sign for your chicken coop area.

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

Worm Composting Kit
Complete kit for starting your own worm composting system.

Stainless Steel Garden Tool Set
Complete garden tool set with heavy-duty stainless steel tools for all your gardening needs.

Fiskars Garden Harvest Basket
Sturdy basket for collecting and carrying your garden harvest.
Not Sure When to Plant?
Check the growing calendar for St. Charles at the Old Farmer's Almanac.
Trees
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
Apples
Apricots
Blackberries
Blueberries
Cherries
Concord grapes
Currants
Elderberries
Figs
Gooseberries
Hardy kiwi
Honeyberries
Mulberries.
Peaches
Pears
Plums
Quince
Raspberries
Rhubarb
Strawberries
Flowers
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
Beets
Broccoli
Brussels Sprouts
Cabbage
Carrots
Cauliflower
Cucumbers
Kale
Leeks
Lettuce
Onions
Peas
Pumpkins
Radishes
Spinach
Squash
Swiss Chard
Tomatoes
Turnips
Zucchini

Large Greenhouse Kit
Spacious greenhouse for extending your growing season.

Brass Decorative Faucet Handle
Elegant brass handle to enhance your garden faucet.

Metal Seed Storage Box
Organized storage solution for your seed collection.

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.