Mystic's Hardiness Zone

Our records indicate the United States Department of Agriculture has given Mystic a growing zone designation of 5b. Sometimes also called the planting zone or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Mystic's climate. If you are looking for plants suitable for growing in the Mystic area, head on over to our page on plants that grow well in Mystic, IA.

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Shiitake Mushroom Kit

Grow your own delicious shiitake mushrooms at home.

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Brass Decorative Faucet Handle

Elegant brass handle to enhance your garden faucet.

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 Mystic is in growing zone 5b this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Mystic'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.

USDA Growing Zone: 5b

Zip Codes: 52574

Longitude: -92.9446

Latitude: 40.7792

Lowest Avg Temperatures (F): -15 to -10