What Plants Grow Well In 63303?
The USDA hardiness zone is 7a in the 63303. This zone is a measure of the lowest temperature that a plant can survive, and helps determine what plants would grow best in the area's climate. Below you'll find a list of the best plants for 63303's climate based on this hardiness zone.
Learn more hardiness zones on our page for Saint Charles's growing zone.

Large Greenhouse Kit

Metal Arbor Trellis

Steel Hori Hori Weeding Knife

Seed Starting Trays

Raised Garden Bed Kit
Trees for 63303
Fruits for 63303
Flowers for 63303
Vegetables for 63303

Planting Advice for 63303
Have questions about planting in 63303's climate? Check out our FAQ below for answers to common questions about growing plants in the area.
Zip code 63303 is in USDA hardiness zone 7a, which means plants there can survive temperatures as low as 0 to 5°F each year.
Best Time to Plant in Saint Charles
Check the growing calendar for Saint Charles at the Old Farmer's Almanac to see the best planting times for the region.

Brass Decorative Faucet Handle

Stainless Steel Garden Tool Set

Shiitake Mushroom Kit

Wooden Chicken Coop

Cluck Around Sign

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Other Towns in Missouri
We have plant recommendations for most towns in Missouri. Select a town from the list below to find the best plants for your area based on the latest climate information.
Best Plants By State
Missouri not the right state? We have plant recommendations for every state, town and zip code in the United States. Choose a state from the list below to find the best plants for your area.
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