What Plants Grow Well In 75503?
The USDA hardiness zone is 8b in the 75503 zip code. This zone is a measure of the lowest temperature that a plant can survive, and helps determine what plants would grow best in the area's climate. Below you'll find a list of the best plants for 75503's climate based on this hardiness zone.
Learn more about climate conditions on our page for Texarkana's plant hardiness zone.
You can also look up the USDA growing zone for 75503 directly to see the temperature data behind these planting recommendations.

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Planting Advice for 75503
Have questions about planting in 75503's climate? Check out our FAQ below for answers to common questions about growing plants in the area.
Zip code 75503 is in USDA hardiness zone 8b, which means plants there can survive temperatures as low as 15 to 20°F each year.
Best Time to Plant in Texarkana
Check the growing calendar for Texarkana at the Old Farmer's Almanac to see the best planting times for the region.

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Other Towns in Texas
We have plant recommendations for most towns in Texas. Select a town from the list below to find the best plants for your area based on the latest climate information.
Best Plants By State
Texas not the right state? We have plant recommendations for every state, town and zip code in the United States. Choose a state from the list below to find the best plants for your area.
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