When to Plant Radish in Burnett County, WI
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.
Burnett County, Wisconsin is in USDA Zone 3b. The average last spring frost is May 15 and the first fall frost is September 27, giving you a growing season of approximately 135 days.
At an elevation of 574 feet, Burnett County receives approximately 30.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 79°F, so choose short-season varieties of Radish to ensure they mature before fall.
Burnett County Soil Profile
Soil Type
Silt Loam
Soil pH
6.2-7.3
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.
Plant Water Budget
Radish Planting Timeline — Burnett County, WI
Radish Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | May 8 | May 8 – May 29 |
| Fall Sowing | July 5 | Jul 5 – Jul 19 |
| Harvest | June 5 | Jun 5 – Jun 26 |
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
6 – 7
USDA Zone
Zone 3b
Growing Season
135 days
Growing Tips for Burnett 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 Burnett County, WI?
Burnett County is in Zone 3b with an average last frost of May 15. Plan your Radish planting based on this frost date — see the calendar above for exact timing.
What planting zone is Burnett County, WI?
Burnett County, Wisconsin is in USDA Hardiness Zone 3b. The average last spring frost is May 15 and first fall frost is September 27.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Burnett County gardeners in Zone 3b organize planting dates, track what's growing, and never miss a planting window.
Get Your Free Garden Planner →Free download. Plan your entire garden season in minutes.