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When to Plant Daikon in Morrow 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.

Morrow County, Ohio is in USDA Zone 5b. The average last spring frost is April 29 and the first fall frost is October 15, giving you a growing season of approximately 169 days.

At an elevation of 800 feet, Morrow County receives approximately 34.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87ยฐF, providing good warmth for Daikon during the growing season.

Morrow County, OH (Zone 5b) Moderate season
169 days
Last Spring Frost April 29
169 growing days
First Fall Frost October 15

Morrow County Soil Profile

Soil Type

Silt Loam

Soil pH

6-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (81 days to spare)
Transplant: Apr 26 🍅 Harvest: Jun 21 – Jul 19
Recommended (50%) ✓ Fits season (85 days to spare)
Transplant: Apr 29 🍅 Harvest: Jun 24 – Jul 22
Safe Start (90%) ✓ Fits season (80 days to spare)
Transplant: May 16 🍅 Harvest: Jul 11 – Aug 8

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
0.2″/week
Watering frequency Only during dry spells
Season total 226 gal / 100 sq ft
Daikon needs ~915 GDD — county provides 2,577 GDD Excellent fit

Daikon Planting Timeline โ€” Morrow County, OH

Daikon Planting Calendar

Activity When Date Range
Direct Sow April 15 Apr 15 โ€“ May 6
Fall Sowing August 6 Aug 6 โ€“ Aug 20
Harvest June 10 Jun 10 โ€“ Jul 8

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

169 days

Growing Tips for Morrow 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 Morrow County, OH?

Morrow County is in Zone 5b with an average last frost of April 29. Plan your Daikon planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Morrow County, OH?

Morrow County, Ohio is in USDA Hardiness Zone 5b. The average last spring frost is April 29 and first fall frost is October 15.

๐ŸŒฑ

Plan Your Garden with Confidence

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