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When to Plant Radish in Hancock County, IN

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.

Hancock County, Indiana is in USDA Zone 6a. The average last spring frost is April 17 and the first fall frost is October 19, giving you a growing season of approximately 185 days.

At an elevation of 583 feet, Hancock County receives approximately 41.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87ยฐF, providing good warmth for Radish during the growing season.

Hancock County, IN (Zone 6a) Moderate season
185 days
Last Spring Frost April 17
185 growing days
First Fall Frost October 19

Hancock County Soil Profile

Soil Type

Silt Loam

Soil pH

6.2-7.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (138 days to spare)
Transplant: Apr 10 🍅 Harvest: May 8 – May 29
Recommended (50%) ✓ Fits season (136 days to spare)
Transplant: Apr 17 🍅 Harvest: May 15 – Jun 5
Safe Start (90%) ✓ Fits season (132 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
0.4″/week
Watering frequency 1-2 times/week
Season total 698 gal / 100 sq ft
Drought risk

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

Radish needs ~435 GDD — county provides 2,821 GDD Excellent fit

Radish Planting Timeline โ€” Hancock County, IN

Radish Planting Calendar

Activity When Date Range
Direct Sow April 3 Apr 3 โ€“ Apr 24
Fall Sowing August 10 Aug 10 โ€“ Aug 24
Harvest May 1 May 1 โ€“ May 22

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
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 6a

Growing Season

185 days

Growing Tips for Hancock 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 Hancock County, IN?

Hancock County is in Zone 6a with an average last frost of April 17. Plan your Radish planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Hancock County, IN?

Hancock County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 17 and first fall frost is October 19.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Hancock County gardeners in Zone 6a 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 Hancock County, IN. Local conditions may vary. Last updated: April 2026.