When to Plant Daikon in Harrison 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.
Harrison County, Ohio is in USDA Zone 5b. The average last spring frost is April 26 and the first fall frost is October 25, giving you a growing season of approximately 182 days.
At an elevation of 1,138 feet, Harrison County receives approximately 38.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Daikon during the growing season.
Harrison County Soil Profile
Soil Type
Silt Loam
Soil pH
6.1-7.2
Drainage
Well Drained
Plant Planting Risk Windows
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
Daikon Planting Timeline — Harrison County, OH
Daikon Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | April 12 | Apr 12 – May 3 |
| Fall Sowing | August 16 | Aug 16 – Aug 30 |
| Harvest | June 7 | Jun 7 – Jul 5 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Direct Sow |
| May | Direct Sow |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
50–70 days
Soil pH
5.8 – 7
USDA Zone
Zone 5b
Growing Season
182 days
Growing Tips for Harrison 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
Level Up Your Garden
Daikon in Other Locations
Frequently Asked Questions
When should I plant Daikon in Harrison County, OH?
Harrison County is in Zone 5b with an average last frost of April 26. Plan your Daikon planting based on this frost date — see the calendar above for exact timing.
What planting zone is Harrison County, OH?
Harrison County, Ohio is in USDA Hardiness Zone 5b. The average last spring frost is April 26 and first fall frost is October 25.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Harrison County gardeners in Zone 5b organize planting dates, track what's growing, and never miss a planting window.
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