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When to Plant Daikon in Deschutes County, OR

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.

Deschutes County, Oregon is in USDA Zone 6a. The average last spring frost is June 15 and the first fall frost is September 13, giving you a growing season of approximately 90 days.

At an elevation of 221 feet, Deschutes County receives approximately 54.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 81ยฐF, so choose short-season varieties of Daikon to ensure they mature before fall. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Daikon root diseases.

Deschutes County, OR (Zone 6a) Very short season
90 days
Last Spring Frost June 15
90 growing days
First Fall Frost September 13

Deschutes County Soil Profile

Soil Type

Silt Loam

Soil pH

5.4-6.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (7 days to spare)
Transplant: Jun 3 🍅 Harvest: Jul 29 – Aug 26
Recommended (50%) ✓ Fits season (6 days to spare)
Transplant: Jun 15 🍅 Harvest: Aug 10 – Sep 7
Safe Start (90%) ✓ Fits season (18 days to spare)
Transplant: Jun 26 🍅 Harvest: Aug 21 – Sep 18

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
2.6″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Daikon needs ~645 GDD — county provides 967 GDD Excellent fit

Daikon Planting Timeline โ€” Deschutes County, OR

Daikon Planting Calendar

Activity When Date Range
Direct Sow June 1 Jun 1 โ€“ Jun 22
Fall Sowing July 5 Jul 5 โ€“ Jul 19
Harvest July 27 Jul 27 โ€“ Aug 24

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April โ€”
May โ€”
June Direct Sow
July Fall Sowing Harvest
August Harvest
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 6a

Growing Season

90 days

Growing Tips for Deschutes 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 Deschutes County, OR?

Deschutes County is in Zone 6a with an average last frost of June 15. Plan your Daikon planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Deschutes County, OR?

Deschutes County, Oregon is in USDA Hardiness Zone 6a. The average last spring frost is June 15 and first fall frost is September 13.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Deschutes County gardeners in Zone 6a 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 Deschutes County, OR. Local conditions may vary. Last updated: April 2026.