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When to Plant Daikon in Warren County, KY

Daikon is a large, mild Japanese radish that can grow over a foot long. It is excellent for pickling, stir-fries, and as a soil-breaking cover crop.

Warren County, Kentucky is in USDA Zone 6b. The average last spring frost is April 8 and the first fall frost is October 28, giving you a growing season of approximately 203 days.

At an elevation of 3,957 feet, Warren County receives approximately 44.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88ยฐF, providing good warmth for Daikon during the growing season.

Warren County, KY (Zone 6b) Long season
203 days
Last Spring Frost April 8
203 growing days
First Fall Frost October 28

Warren County Soil Profile

Soil Type

Silt Loam

Soil pH

5.3-7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (117 days to spare)
Transplant: Apr 3 🍅 Harvest: May 29 – Jun 26
Recommended (50%) ✓ Fits season (119 days to spare)
Transplant: Apr 8 🍅 Harvest: Jun 3 – Jul 1
Safe Start (90%) ✓ Fits season (115 days to spare)
Transplant: Apr 24 🍅 Harvest: Jun 19 – Jul 17

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
0.9″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 128 gal / 100 sq ft
Daikon needs ~960 GDD — county provides 3,248 GDD Excellent fit

Daikon Planting Timeline โ€” Warren County, KY

Daikon Planting Calendar

Activity When Date Range
Direct Sow March 25 Mar 25 โ€“ Apr 15
Fall Sowing August 19 Aug 19 โ€“ Sep 2
Harvest May 20 May 20 โ€“ Jun 17

Plant 0.5" deep ยท 6" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Direct Sow
April Direct Sow
May Harvest
June Harvest
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

50โ€“70 days

Soil pH

5.8 โ€“ 7

USDA Zone

Zone 6b

Growing Season

203 days

Growing Tips for Warren County

Direct sow in late summer for fall harvest. Loosen soil deeply before planting. Thin seedlings to 6 inches apart. Harvest before hard freeze as exposed shoulders may crack.

Companion Planting

Good Companions

Avoid Planting Near

  • Hyssop

Level Up Your Garden

Frequently Asked Questions

When should I plant Daikon in Warren County, KY?

Warren County is in Zone 6b with an average last frost of April 8. Plan your Daikon planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Warren County, KY?

Warren County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is April 8 and first fall frost is October 28.

๐ŸŒฑ

Plan Your Garden with Confidence

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