According to the USDA Morrow is in USDA Zone 8a. Here is some general info for USDA Zone 8a to help you get started.
| Average Date of Last Frost (spring) | March 15 |
| Average Date of First Frost (fall) | November 15 |
| Lowest Expected Low | 10°F |
| Highest Expected Low | 15°F |
This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.
You can view the USDA Zone map for Georgia here:
Below is a list of planting guides for Morrow, GA. These guides are based on data from Zone 8a.
Vegetables
Herbs
Flowers
