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When to Plant Radish in Toombs County, GA

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.

Toombs County, Georgia is in USDA Zone 8b. The average last spring frost is March 7 and the first fall frost is November 22, giving you a growing season of approximately 260 days.

At an elevation of 283 feet, Toombs County receives approximately 59.8 inches of rainfall annually with predominantly clay loam soil. Summer highs average 93ยฐF, 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.

Toombs County, GA (Zone 8b) Long season
260 days
Last Spring Frost March 7
260 growing days
First Fall Frost November 22

Toombs County Soil Profile

Soil Type

Clay Loam

Soil pH

5.3-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (212 days to spare)
Transplant: Feb 28 🍅 Harvest: Mar 28 – Apr 18
Recommended (50%) ✓ Fits season (211 days to spare)
Transplant: Mar 7 🍅 Harvest: Apr 4 – Apr 25
Safe Start (90%) ✓ Fits season (209 days to spare)
Transplant: Mar 26 🍅 Harvest: Apr 23 – May 14

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
You supply
0.0″/week
Watering frequency Only during dry spells
Season total 79 gal / 100 sq ft
Radish needs ~563 GDD — county provides 5,135 GDD Excellent fit

Radish Planting Timeline โ€” Toombs County, GA

Radish Planting Calendar

Activity When Date Range
Direct Sow February 21 Feb 21 โ€“ Mar 14
Fall Sowing September 13 Sep 13 โ€“ Sep 27
Harvest March 21 Mar 21 โ€“ Apr 11

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

Month-by-Month Timeline

MonthActivities
January โ€”
February Direct Sow
March Direct Sow Harvest
April Harvest
May โ€”
June โ€”
July โ€”
August โ€”
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 8b

Growing Season

260 days

Growing Tips for Toombs 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 Toombs County, GA?

Toombs County is in Zone 8b with an average last frost of March 7. Plan your Radish planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Toombs County, GA?

Toombs County, Georgia is in USDA Hardiness Zone 8b. The average last spring frost is March 7 and first fall frost is November 22.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Toombs County gardeners in Zone 8b organize planting dates, track what's growing, and never miss a planting window.

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Free download. Plan your entire garden season in minutes.

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