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When to Plant Daikon in Logan County, OH

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.

Logan County, Ohio is in USDA Zone 5b. The average last spring frost is April 24 and the first fall frost is October 19, giving you a growing season of approximately 178 days.

At an elevation of 829 feet, Logan County receives approximately 38.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83ยฐF, so choose short-season varieties of Daikon to ensure they mature before fall.

Logan County, OH (Zone 5b) Moderate season
178 days
Last Spring Frost April 24
178 growing days
First Fall Frost October 19

Logan County Soil Profile

Soil Type

Silt Loam

Soil pH

6.1-7.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (99 days to spare)
Transplant: Apr 16 🍅 Harvest: Jun 11 – Jul 9
Recommended (50%) ✓ Fits season (94 days to spare)
Transplant: Apr 24 🍅 Harvest: Jun 19 – Jul 17
Safe Start (90%) ✓ Fits season (89 days to spare)
Transplant: May 11 🍅 Harvest: Jul 6 – Aug 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
0.9″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 165 gal / 100 sq ft
Drought risk

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

Daikon needs ~735 GDD — county provides 2,180 GDD Excellent fit

Daikon Planting Timeline โ€” Logan County, OH

Daikon Planting Calendar

Activity When Date Range
Direct Sow April 10 Apr 10 โ€“ May 1
Fall Sowing August 10 Aug 10 โ€“ Aug 24
Harvest June 5 Jun 5 โ€“ Jul 3

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

Month-by-Month Timeline

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

50โ€“70 days

Soil pH

5.8 โ€“ 7

USDA Zone

Zone 5b

Growing Season

178 days

Growing Tips for Logan 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 Logan County, OH?

Logan County is in Zone 5b with an average last frost of April 24. Plan your Daikon planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Logan County, OH?

Logan County, Ohio is in USDA Hardiness Zone 5b. The average last spring frost is April 24 and first fall frost is October 19.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Logan County gardeners in Zone 5b 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 Logan County, OH. Local conditions may vary. Last updated: April 2026.