Blog

When to Plant Daikon in Greene County, AL

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.

Greene County, Alabama is in USDA Zone 7b. The average last spring frost is March 20 and the first fall frost is November 11, giving you a growing season of approximately 236 days.

At an elevation of 128 feet, Greene County receives approximately 61.8 inches of rainfall annually with predominantly clay loam soil. Summer highs average 91ยฐF, providing good warmth for Daikon during the growing season. Clay soil retains moisture well for Daikon, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Daikon root diseases.

Greene County, AL (Zone 7b) Long season
236 days
Last Spring Frost March 20
236 growing days
First Fall Frost November 11

Greene County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (152 days to spare)
Transplant: Mar 10 🍅 Harvest: May 5 – Jun 2
Recommended (50%) ✓ Fits season (152 days to spare)
Transplant: Mar 20 🍅 Harvest: May 15 – Jun 12
Safe Start (90%) ✓ Fits season (147 days to spare)
Transplant: Apr 9 🍅 Harvest: Jun 4 – Jul 2

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
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Daikon needs ~1,095 GDD — county provides 4,307 GDD Excellent fit

Daikon Planting Timeline โ€” Greene County, AL

Daikon Planting Calendar

Activity When Date Range
Direct Sow March 6 Mar 6 โ€“ Mar 27
Fall Sowing September 2 Sep 2 โ€“ Sep 16
Harvest May 1 May 1 โ€“ May 29

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Direct Sow
April โ€”
May Harvest
June โ€”
July โ€”
August โ€”
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 7b

Growing Season

236 days

Growing Tips for Greene 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 Greene County, AL?

Greene County is in Zone 7b with an average last frost of March 20. Plan your Daikon planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Greene County, AL?

Greene County, Alabama is in USDA Hardiness Zone 7b. The average last spring frost is March 20 and first fall frost is November 11.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Greene County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Greene County, AL. Local conditions may vary. Last updated: April 2026.