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When to Plant Radish in Chickasaw County, MS

Radishes are one of the fastest-growing vegetables, with some varieties ready in under a month. They come in round, elongated, and large winter types.

Chickasaw County, Mississippi is in USDA Zone 7b. The average last spring frost is March 25 and the first fall frost is November 3, giving you a growing season of approximately 223 days.

At an elevation of 79 feet, Chickasaw County receives approximately 58.3 inches of rainfall annually with predominantly clay loam soil. Summer highs average 91ยฐF, providing good warmth for Radish during the growing season. Clay soil retains moisture well for Radish, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Radish root diseases.

Chickasaw County, MS (Zone 7b) Long season
223 days
Last Spring Frost March 25
223 growing days
First Fall Frost November 3

Chickasaw County Soil Profile

Soil Type

Clay Loam

Soil pH

5.7-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (177 days to spare)
Transplant: Mar 16 🍅 Harvest: Apr 13 – May 4
Recommended (50%) ✓ Fits season (174 days to spare)
Transplant: Mar 25 🍅 Harvest: Apr 22 – May 13
Safe Start (90%) ✓ Fits season (174 days to spare)
Transplant: Apr 15 🍅 Harvest: May 13 – Jun 3

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Radish needs ~520 GDD — county provides 4,069 GDD Excellent fit

Radish Planting Timeline โ€” Chickasaw County, MS

Radish Planting Calendar

Activity When Date Range
Direct Sow March 11 Mar 11 โ€“ Apr 1
Fall Sowing August 25 Aug 25 โ€“ Sep 8
Harvest April 8 Apr 8 โ€“ Apr 29

Plant 0.5" deep ยท 2" apart ยท Rows 6" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Direct Sow
April Direct Sow Harvest
May โ€”
June โ€”
July โ€”
August Fall Sowing
September Fall Sowing
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

22โ€“35 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 7b

Growing Season

223 days

Growing Tips for Chickasaw County

Direct sow every 1-2 weeks for continuous harvest. Do not transplant. Harvest spring radishes promptly to prevent them from becoming pithy and hot.

Companion Planting

Good Companions

Avoid Planting Near

  • Hyssop

Level Up Your Garden

Frequently Asked Questions

When should I plant Radish in Chickasaw County, MS?

Chickasaw County is in Zone 7b with an average last frost of March 25. Plan your Radish planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Chickasaw County, MS?

Chickasaw County, Mississippi is in USDA Hardiness Zone 7b. The average last spring frost is March 25 and first fall frost is November 3.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Chickasaw County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Chickasaw County, MS. Local conditions may vary. Last updated: April 2026.