Mississippi planting calendar
Most of Mississippi falls in USDA hardiness zones 7b–9a. Your exact zone depends on your local area — look it up by ZIP code — then open your zone's month-by-month calendar below.
USDA hardiness zones in Mississippi
| Zone | Coldest temps | Avg. last spring frost |
|---|---|---|
| Zone 7b | 5 to 10°F | Apr 1 |
| Zone 8a | 10 to 15°F | Mar 22 |
| Zone 8b | 15 to 20°F | Mar 15 |
| Zone 9a | 20 to 25°F | Feb 28 |