When to plant Radish in Otter Tail County, MN
Plant Radish in Otter Tail County from May 4 to May 25 in spring. Otter Tail County sits in USDA Zone 4a, with last frost around May 11 and first frost on September 28. A second sowing from July 6 to July 20 extends the harvest into fall.
When to Plant Radish in Otter Tail County, MN
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.
Otter Tail County, Minnesota is in USDA Zone 4a. The average last spring frost is May 11 and the first fall frost is September 28, giving you a growing season of approximately 140 days.
At an elevation of 571 feet, Otter Tail County receives approximately 40.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 80°F, so choose short-season varieties of Radish to ensure they mature before fall.
Otter Tail County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Radish Planting Timeline — Otter Tail County, MN
Radish Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | May 4 | May 4 – May 25 |
| Harvest | June 1 | Jun 1 – Jun 22 |
| Fall Sowing | July 6 | Jul 6 – Jul 20 |
Plant 0.5" deep · 2" apart · Rows 6" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Direct Sow |
| June | Harvest |
| July | Fall Sowing |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
22–35 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 4a
📆 Growing Season
140 days in Otter Tail County
Growing Tips for Otter Tail 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
Check more plant combinations with our Companion Planting Checker →
Radish in Other Locations
Frequently Asked Questions
When should I plant Radish in Otter Tail County, MN?
Otter Tail County is in Zone 4a with an average last frost of May 11. Plan your Radish planting based on this frost date — see the calendar above for exact timing.
What planting zone is Otter Tail County, MN?
Otter Tail County, Minnesota is in USDA Hardiness Zone 4a. The average last spring frost is May 11 and first fall frost is September 28.
When should I plant Radish in Otter Tail County, MN?
In Otter Tail County, MN, plant Radish after the last frost (around May 11) and before the first frost (around September 28). Best results when soil holds above 50°F.
What growing zone is Otter Tail County, MN for Radish?
Otter Tail County sits in USDA Zone 4a. Radish grows reliably in zones 2a through 11b, so it's a good fit here.
Can Radish grow in Otter Tail County's climate?
Yes — Radish grows well in Otter Tail County's temperate climate. Otter Tail County averages a 140-day frost-free season, with last frost around May 11 and first frost around September 28.
Your Otter Tail County Garden Planner — Free
A 22-page printable planner built for Otter Tail County (Zone 4a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.