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When to Plant Radish in Mecklenburg County, VA

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.

Mecklenburg County, Virginia is in USDA Zone 7b. The average last spring frost is April 15 and the first fall frost is October 23, giving you a growing season of approximately 191 days.

At an elevation of 725 feet, Mecklenburg County receives approximately 45 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91ยฐF, providing good warmth for Radish during the growing season.

Mecklenburg County, VA (Zone 7b) Moderate season
191 days
Last Spring Frost April 15
191 growing days
First Fall Frost October 23

Mecklenburg County Soil Profile

Soil Type

Silt Loam

Soil pH

5.8-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (148 days to spare)
Transplant: Apr 6 🍅 Harvest: May 4 – May 25
Recommended (50%) ✓ Fits season (142 days to spare)
Transplant: Apr 15 🍅 Harvest: May 13 – Jun 3
Safe Start (90%) ✓ Fits season (138 days to spare)
Transplant: May 3 🍅 Harvest: May 31 – Jun 21

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 21 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Radish needs ~520 GDD — county provides 3,485 GDD Excellent fit

Radish Planting Timeline โ€” Mecklenburg County, VA

Radish Planting Calendar

Activity When Date Range
Direct Sow April 1 Apr 1 โ€“ Apr 22
Fall Sowing August 14 Aug 14 โ€“ Aug 28
Harvest April 29 Apr 29 โ€“ May 20

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

Month-by-Month Timeline

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

191 days

Growing Tips for Mecklenburg 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 Mecklenburg County, VA?

Mecklenburg County is in Zone 7b with an average last frost of April 15. Plan your Radish planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Mecklenburg County, VA?

Mecklenburg County, Virginia is in USDA Hardiness Zone 7b. The average last spring frost is April 15 and first fall frost is October 23.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Mecklenburg 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 Mecklenburg County, VA. Local conditions may vary. Last updated: April 2026.