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When to Plant Radish in Kemper 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.

Kemper County, Mississippi is in USDA Zone 8a. The average last spring frost is March 23 and the first fall frost is November 6, giving you a growing season of approximately 228 days.

At an elevation of 292 feet, Kemper County receives approximately 56.1 inches of rainfall annually with predominantly clay loam soil. Summer highs average 90ยฐF, 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.

Kemper County, MS (Zone 8a) Long season
228 days
Last Spring Frost March 23
228 growing days
First Fall Frost November 6

Kemper County Soil Profile

Soil Type

Clay Loam

Soil pH

5.8-6.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (182 days to spare)
Transplant: Mar 14 🍅 Harvest: Apr 11 – May 2
Recommended (50%) ✓ Fits season (179 days to spare)
Transplant: Mar 23 🍅 Harvest: Apr 20 – May 11
Safe Start (90%) ✓ Fits season (173 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
1.0″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Radish needs ~499 GDD — county provides 3,990 GDD Excellent fit

Radish Planting Timeline โ€” Kemper County, MS

Radish Planting Calendar

Activity When Date Range
Direct Sow March 9 Mar 9 โ€“ Mar 30
Fall Sowing August 28 Aug 28 โ€“ Sep 11
Harvest April 6 Apr 6 โ€“ Apr 27

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Direct Sow
April 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 8a

Growing Season

228 days

Growing Tips for Kemper 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 Kemper County, MS?

Kemper County is in Zone 8a with an average last frost of March 23. Plan your Radish planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Kemper County, MS?

Kemper County, Mississippi is in USDA Hardiness Zone 8a. The average last spring frost is March 23 and first fall frost is November 6.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Kemper County gardeners in Zone 8a 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 Kemper County, MS. Local conditions may vary. Last updated: April 2026.