Old River-Winfree's Hardiness Zone

Our records indicate the United States Department of Agriculture has given Old River-Winfree a 2023 growing zone designation of 9b. Sometimes also called the planting zone or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Old River-Winfree's climate. If you are looking for plants suitable for growing in the Old River-Winfree area, head on over to our page on plants that grow well in Old River-Winfree, TX.

8pc Heavy Stainless Steel Garden Tool Set

Hydroponic Indoor Garden Grow Kit

Reusable Grow Bags for Tomatoes, Vegetable and Fruits

Seed Starting Trays
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 Old River-Winfree is in growing zone 9b this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Old River-Winfree'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.
2023 USDA Growing Zone: 9b
Longitude: -94.8268
Latitude: 29.8745
Lowest Avg Temperatures (F): 25 to 30