What Growing Zone Is Avondale?
Our records indicate the United States Department of Agriculture has given Avondale a growing zone designation of 9b. Sometimes also called the planting or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Avondale's climate based on the average extreme annual temperature.Our data is based on the latest 2023 USDA maps, which used Avondale's weather data from 1991 - 2020 in their analysis.
If you are looking for plants suitable for growing in the Avondale area, head on over to our page on plants that grow well in Avondale, AZ.
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The growing zone is a measure of the lowest temperature that a plant can survive based on average lowest year temperatures, helping you to decide what plants would grow best in your particular climate. Since Avondale is in growing zone 9b this means that plants there can survive temperatures as low as 25 to 30 degrees Fahrenheit. Plants for Avondale'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.
Some zones may have been changed by the USDA as of 2023. To see if the Avondale area has been affected, refer to this map of half zone changes from the 2012 version of the USDA zones to the 2023 version.
The updated map shows that over half of the Southeast has warmed by about half a zone. For gardeners, that means you can now grow plants that tolerate a bit more heat and less frost than before. The tan areas reflect this shift. Meanwhile, the white areas had slight temperature changes, but not enough to move them into a new zone. In the Western U.S., a few spots shifted cooler. That’s not due to a colder climate, but because the new map uses a larger dataset, giving a more accurate picture of local conditions. It's important to keep track of these changes when planning your garden!
Ready to start planning your garden? Browse our curated list of plants recommended for Avondale, AZ that are matched to this hardiness zone.
Hardiness Zone FAQ
Have questions about hardiness zones and what they mean for your garden? Check out our FAQ below for quick answers to common questions about USDA hardiness zones and how they affect plant selection in Avondale, AZ.
№ 01What hardiness zone is Avondale, AZ?+
The USDA hardiness zone is 9b for Avondale. This is sometimes also referred to as the growing or planting zone. These terms are used interchangeably.
№ 02What does growing zone 9b mean for Avondale, AZ?+
Growing zone 9b means that plants in Avondale, AZ can survive temperatures as low as 25 to 30 degrees Fahrenheit. This zone designation helps you choose plants that will thrive in your local climate conditions.
№ 03How do I use the growing zone information for Avondale?+
Keep your growing zone of 9b in mind when choosing plants for Avondale. The growing zone tells you the average low temperatures that occur each year in Avondale. If you select plants from zones other than 9b, then you may need to provide additional care during the coldest months of the year.
№ 04Has Avondale's growing zone changed?+
The USDA updated their hardiness zone maps in 2023. As a result, Avondale may have experienced zone changes. Some areas of the Southeast warmed by half a zone, while areas of the Western United States had their zones lowered as a result of additional data becoming available.
№ 05What plants grow best in zone 9b?+
Visit our page on the best plants for Avondale to see a full list recommendations for the area.
№ 06Can I grow plants from other zones in Avondale?+
While you can try plants from other zones, they may need winter protection or indoor shelter during cold spells. Focus on plants recommended for Avondale's climate for the best results.
Avondale's Growing Zone Details
USDA Growing Zone: 9b
Longitude: -112.3235
Latitude: 33.3873
Lowest Avg Temperatures (F): 25 to 30
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Map of the Avondale Area
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Plants For Other States
Looking for the best plants in a different area of the United States? Click on a button below to find plants that are ideal for that state's temperatures.
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