O'Fallon's Hardiness Zone

Our records indicate the United States Department of Agriculture has given O'Fallon a growing zone designation of 6b. Sometimes also called the planting zone or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in O'Fallon's climate. If you are looking for plants suitable for growing in the O'Fallon area, head on over to our page on plants that grow well in O'Fallon, MO.

Brass Decorative Faucet Handle

Elegant brass handle to enhance your garden faucet.

Rustic Iron Garden Trellis

Sturdy trellis for supporting climbing plants and vines.

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.

Raised Garden Bed Kit

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

Understanding your growing zone is very important because it is a measure of the lowest temperature that a plant can survive, helping you to decide what plants would grow best in your particular climate. Since O'Fallon is in growing zone 6b this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for O'Fallon's climate should be chosen with this in mind or plants should be moved inside to keep their core temperature in the right range if necessary.

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Small Greenhouse Kit

Compact greenhouse perfect for small spaces.

Worm Composting Kit

Complete kit for starting your own worm composting system.

Large Greenhouse Kit

Spacious greenhouse for extending your growing season.

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.