Rockwell City's Hardiness Zone

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

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Brass Watering Can

Elegant brass watering can with classic design and durability.

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.

Reusable Grow Bags

Breathable fabric grow bags that promote healthy root growth for your vegetables and fruits.

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

Zip Codes: 50579

Longitude: -94.6289

Latitude: 42.3981

Lowest Avg Temperatures (F): -20 to -15