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When to Plant Daikon in Merrick County, NE

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.

Merrick County, Nebraska is in USDA Zone 5a. The average last spring frost is April 27 and the first fall frost is October 8, giving you a growing season of approximately 164 days.

At an elevation of 683 feet, Merrick County receives approximately 24.3 inches of rainfall annually with predominantly loam soil. Summer highs average 86ยฐF, providing good warmth for Daikon during the growing season.

Merrick County, NE (Zone 5a) Moderate season
164 days
Last Spring Frost April 27
164 growing days
First Fall Frost October 8

Merrick County Soil Profile

Soil Type

Loam

Soil pH

6.7-7.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (81 days to spare)
Transplant: Apr 22 🍅 Harvest: Jun 17 – Jul 15
Recommended (50%) ✓ Fits season (80 days to spare)
Transplant: Apr 27 🍅 Harvest: Jun 22 – Jul 20
Safe Start (90%) ✓ Fits season (77 days to spare)
Transplant: May 14 🍅 Harvest: Jul 9 – Aug 6

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
0.6″/week
You supply
0.5″/week
Watering frequency 1-2 times/week
Season total 662 gal / 100 sq ft
Drought risk

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

Daikon needs ~870 GDD — county provides 2,378 GDD Excellent fit

Daikon Planting Timeline โ€” Merrick County, NE

Daikon Planting Calendar

Activity When Date Range
Direct Sow April 13 Apr 13 โ€“ May 4
Fall Sowing July 30 Jul 30 โ€“ Aug 13
Harvest June 8 Jun 8 โ€“ Jul 6

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 Fall Sowing 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 5a

Growing Season

164 days

Growing Tips for Merrick 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 Merrick County, NE?

Merrick County is in Zone 5a with an average last frost of April 27. Plan your Daikon planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Merrick County, NE?

Merrick County, Nebraska is in USDA Hardiness Zone 5a. The average last spring frost is April 27 and first fall frost is October 8.

๐ŸŒฑ

Plan Your Garden with Confidence

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