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When to Plant Daikon in Jeff Davis County, TX

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.

Jeff Davis County, Texas is in USDA Zone 7b. The average last spring frost is April 3 and the first fall frost is November 1, giving you a growing season of approximately 212 days.

At an elevation of 4,298 feet, Jeff Davis County receives approximately 52.4 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 96ยฐF, so Daikon may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Daikon will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Daikon root diseases.

Jeff Davis County, TX (Zone 7b) Long season
212 days
Last Spring Frost April 3
212 growing days
First Fall Frost November 1

Jeff Davis County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.2-8.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (136 days to spare)
Transplant: Mar 20 🍅 Harvest: May 15 – Jun 12
Recommended (50%) ✓ Fits season (128 days to spare)
Transplant: Apr 3 🍅 Harvest: May 29 – Jun 26
Safe Start (90%) ✓ Fits season (127 days to spare)
Transplant: Apr 22 🍅 Harvest: Jun 17 – Jul 15

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
1.0″/week
You supply
0.3″/week
Watering frequency 1-2 times/week
Season total 593 gal / 100 sq ft
Drought risk

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

Daikon needs ~1,320 GDD — county provides 4,664 GDD Excellent fit

Daikon Planting Timeline โ€” Jeff Davis County, TX

Daikon Planting Calendar

Activity When Date Range
Direct Sow March 20 Mar 20 โ€“ Apr 10
Fall Sowing August 23 Aug 23 โ€“ Sep 6
Harvest May 15 May 15 โ€“ Jun 12

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

Month-by-Month Timeline

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

212 days

Growing Tips for Jeff Davis 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 Jeff Davis County, TX?

Jeff Davis County is in Zone 7b with an average last frost of April 3. Plan your Daikon planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Jeff Davis County, TX?

Jeff Davis County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is April 3 and first fall frost is November 1.

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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 Jeff Davis County, TX. Local conditions may vary. Last updated: April 2026.