Alamo Heights's Hardiness Zone

Our records indicate the United States Department of Agriculture has given Alamo Heights a 2023 growing zone designation of 9a. Sometimes also called the planting zone or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Alamo Heights's climate. If you are looking for plants suitable for growing in the Alamo Heights area, head on over to our page on plants that grow well in Alamo Heights, 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 Alamo Heights is in growing zone 9a this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Alamo Heights'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: 9a
Zip Codes: 78209
Longitude: -98.4682
Latitude: 29.4828
Lowest Avg Temperatures (F): 20 to 25