When to Plant Daikon in Sherman 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.
Sherman County, Oregon is in USDA Zone 6a. The average last spring frost is April 14 and the first fall frost is October 17, giving you a growing season of approximately 186 days.
At an elevation of 862 feet, Sherman County receives approximately 15 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89°F, providing good warmth for Daikon during the growing season. With low rainfall, drip irrigation is essential for growing Daikon successfully. Mulch heavily to conserve soil moisture.
Sherman County Soil Profile
Soil Type
Silt Loam
Soil pH
5.7-6.3
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.
Soil Compatibility in Sherman County
How your county's soil matches Daikon's growing requirements.
Soil pH
Your soil pH (5.7–6.3) overlaps with Daikon's range (5.8–7.0), though not a perfect match.
Soil Texture
The silt loam soil in Sherman County is excellent for Daikon — good drainage, moisture retention, and nutrient holding capacity.
Organic Matter
Organic matter is excellent (4.9%) — Daikon will thrive.
How to Plant Daikon
Fall planting: Sow 10 weeks before your first frost date for a fall harvest.
Succession Planting Daikon
Sow every 5.7 weeks. Last sowing by Aug 08 to harvest before frost.
For a dedicated fall crop, sow by Aug 08.
Plant Water Budget
Daikon Planting Timeline — Sherman County, OR
Daikon Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | March 31 | Mar 31 – Apr 21 |
| Fall Sowing | August 8 | Aug 8 – Aug 22 |
| Harvest | May 26 | May 26 – Jun 23 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Direct Sow |
| April | Direct Sow |
| May | Harvest |
| June | Harvest |
| July | — |
| August | Fall Sowing |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
1"/week · 1-2 times/week
📅 Days to Maturity
50–70 days
🧪 Soil pH
Needs 5.8–7 · Your soil: acceptable
🗺️ USDA Zone
Zone 6a
📆 Growing Season
186 days in Sherman County
Growing Tips for Daikon in Sherman County
Direct sow Daikon outdoors after April 14 in Sherman County when soil has warmed and frost danger has passed.
Common pests for Daikon in this region include cabbage worm and flea beetles. Use row covers early in the season and inspect plants weekly.
Sherman County receives only 15" of rain annually. Daikon needs consistent moisture — install drip irrigation or water deeply 2-3 times per week.
General growing tips
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 Sherman County, OR?
Sherman County is in Zone 6a with an average last frost of April 14. Plan your Daikon planting based on this frost date — see the calendar above for exact timing.
What planting zone is Sherman County, OR?
Sherman County, Oregon is in USDA Hardiness Zone 6a. The average last spring frost is April 14 and first fall frost is October 17.
Plan Your Garden with Confidence
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