According to the USDA West Memphis is in USDA Zone 7b. Here is some general info for USDA Zone 7b to help you get started.
Average Date of Last Frost (spring) | April 15 |
Average Date of First Frost (fall) | October 15 |
Lowest Expected Low | 5°F |
Highest Expected Low | 10°F |
This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.
You can view the USDA Zone map for Arkansas here:
Below is a list of planting guides for West Memphis, AR. These guides are based on data from Zone 7b.
Vegetables
Herbs
Flowers