When to Plant Radishes in Mississippi
The fastest vegetable in the garden — some varieties are ready in just 25 days. Perfect for impatient gardeners and kids.
The Short Answer
Mississippi Frost Dates
Your planting dates depend on which part of Mississippi you're in. Here are the frost date ranges by region:
| Region | Zones | Last Frost (Spring) | First Frost (Fall) |
|---|---|---|---|
| Northern Mississippi | 7b, 8a | Mar 15 - Apr 1 | Nov 1 - Nov 15 |
| Central Mississippi | 8a, 8b | Mar 1 - Mar 15 | Nov 10 - Nov 25 |
| Southern Mississippi | 8b, 9a | Feb 15 - Mar 5 | Nov 15 - Dec 5 |
Radishes Planting Schedule for Mississippi
Northern Mississippi (Zones 7b, 8a)
Average last frost: Mar 15 - Apr 1 · Average first frost: Nov 1 - Nov 15
Central Mississippi (Zones 8a, 8b)
Average last frost: Mar 1 - Mar 15 · Average first frost: Nov 10 - Nov 25
Southern Mississippi (Zones 8b, 9a)
Average last frost: Feb 15 - Mar 5 · Average first frost: Nov 15 - Dec 5
Growing Radishes in Mississippi
Radishes in Mississippi's Climate
Radishes are a cool-season sprint in warm climates — sow from October through February and harvest before spring warmth triggers bolting. Succession plant every 2 weeks during the cool window for multiple harvests. The quick maturity (22-30 days) means you can fit several rounds into even a short cool season.
Soil Considerations for Mississippi
Rich delta soils in west. Heavy clay in many areas. Sandy in pine belt. Acidic throughout. Loose, well-drained soil is especially important for radishes since the edible portion grows underground. If your soil is heavy clay, consider raised beds.
Mississippi Climate & Growing Season
Long growing season. Hot, humid summers. Mild winters. Two-season gardening possible. Radishes can handle frost well, which is an advantage in Mississippi's climate. You can push planting dates earlier in spring and extend into fall.
Growing season length varies across Mississippi: Northern Mississippi (7b, 8a) has a last frost around Mar 15 - Apr 1, while Southern Mississippi (8b, 9a) sees frost end around Feb 15 - Mar 5. This difference matters for radishes — but radishes handle frost well, so the timing difference is less critical.
Growing Tips
Don't let them stay in the ground too long — they get pithy and hot. Succession plant every 2 weeks for continuous harvest.
Companion Planting
Plant radishes alongside these companions for better growth:
The Bottom Line
Last reviewed: March 29, 2026