When to Plant Radish in Lane County, OR
Radishes are one of the fastest-growing vegetables, with some varieties ready in under a month. They come in round, elongated, and large winter types.
Lane County, Oregon is in USDA Zone 8a. The average last spring frost is April 21 and the first fall frost is October 25, giving you a growing season of approximately 187 days.
At an elevation of 48 feet, Lane County receives approximately 50.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 81°F, so choose short-season varieties of Radish to ensure they mature before fall. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Radish root diseases.
Lane County Soil Profile
Soil Type
Silt Loam
Soil pH
5.7-6.4
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.
Plant Water Budget
Radish Planting Timeline — Lane County, OR
Radish Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | April 7 | Apr 7 – Apr 28 |
| Fall Sowing | August 16 | Aug 16 – Aug 30 |
| Harvest | May 5 | May 5 – May 26 |
Plant 0.5" deep · 2" apart · Rows 6" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Direct Sow |
| May | Harvest |
| June | — |
| July | — |
| August | Fall Sowing |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
22–35 days
Soil pH
6 – 7
USDA Zone
Zone 8a
Growing Season
187 days
Growing Tips for Lane County
Direct sow every 1-2 weeks for continuous harvest. Do not transplant. Harvest spring radishes promptly to prevent them from becoming pithy and hot.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Radish in Other Locations
Frequently Asked Questions
When should I plant Radish in Lane County, OR?
Lane County is in Zone 8a with an average last frost of April 21. Plan your Radish planting based on this frost date — see the calendar above for exact timing.
What planting zone is Lane County, OR?
Lane County, Oregon is in USDA Hardiness Zone 8a. The average last spring frost is April 21 and first fall frost is October 25.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Lane County gardeners in Zone 8a organize planting dates, track what's growing, and never miss a planting window.
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