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MAY 2, 2026
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The Plant Guide Online

Growing zones & plants for every town in America

What Growing Zone Is Tunis?

Our records indicate the United States Department of Agriculture has given Tunis a growing zone designation of 9a. Sometimes also called the planting or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Tunis's climate based on the average extreme annual temperature.Our data is based on the latest 2023 USDA maps, which used Tunis's weather data from 1991 - 2020 in their analysis.

— Plate —TX · USDA hardiness
map of growing zone 9a
Latest TX growing zone map

If you are looking for plants suitable for growing in the Tunis area, head on over to our page on plants that grow well in Tunis, TX.

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Show Tunis's growing zone on my site

— Plate —TX · USDA hardiness
map of growing zone 9a
Latest TX growing zone map

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 Tunis is in growing zone 9a this means that plants there can survive temperatures as low as 20 to 25 degrees Fahrenheit. Plants for Tunis'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 Tunis 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 Tunis, TX 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 Tunis, TX.

№ 01What hardiness zone is Tunis, TX?+

The USDA hardiness zone is 9a for Tunis. This is sometimes also referred to as the growing or planting zone. These terms are used interchangeably.

№ 02What does growing zone 9a mean for Tunis, TX?+

Growing zone 9a means that plants in Tunis, TX can survive temperatures as low as 20 to 25 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 Tunis?+

Keep your growing zone of 9a in mind when choosing plants for Tunis. The growing zone tells you the average low temperatures that occur each year in Tunis. If you select plants from zones other than 9a, then you may need to provide additional care during the coldest months of the year.

№ 04Has Tunis's growing zone changed?+

The USDA updated their hardiness zone maps in 2023. As a result, Tunis 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 9a?+

Visit our page on the best plants for Tunis to see a full list recommendations for the area.

№ 06Can I grow plants from other zones in Tunis?+

While you can try plants from other zones, they may need winter protection or indoor shelter during cold spells. Focus on plants recommended for Tunis's climate for the best results.

Tunis's Growing Zone Details

USDA Growing Zone: 9a

Zip Codes:

Longitude: -96.528

Latitude: 30.544

Lowest Avg Temperatures (F): 20 to 25

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Map of the Tunis Area

— Map —Lat 30.544, Lon -96.528
Tile data © Google Maps

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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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