When to plant Fennel (herb) in Todd County, MN
For Fennel (herb) in Todd County, the safe spring window opens around April 27 and closes around May 18. Last expected frost is May 4, first fall frost October 4, giving a 153-day growing season. A second sowing from July 12 to July 26 extends the harvest into fall.
When to Plant Fennel (herb) in Todd County, MN
Herb fennel is grown for its aromatic leaves, stalks, and seeds rather than a bulb. It has a strong anise flavor and its flowers attract beneficial insects.
Todd County, Minnesota is in USDA Zone 4a. The average last spring frost is May 4 and the first fall frost is October 4, giving you a growing season of approximately 153 days.
At an elevation of 987 feet, Todd County receives approximately 33.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 81°F, so choose short-season varieties of Fennel (herb) to ensure they mature before fall.
Todd County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Fennel (herb) Planting Timeline — Todd County, MN
Fennel (herb) Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 23 | Mar 23 – Apr 6 |
| Transplant Outdoors | April 27 | Apr 27 – May 11 |
| Direct Sow | April 27 | Apr 27 – May 18 |
| Harvest | June 29 | Jun 29 – Sep 7 |
| Fall Sowing | July 12 | Jul 12 – Jul 26 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors Transplant Outdoors Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | Harvest |
| July | Fall Sowing Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
60–90 days
🧪 Soil pH
Needs 5.5–7 · Your soil: N/A
🗺️ USDA Zone
Zone 4a
📆 Growing Season
153 days in Todd County
Growing Tips for Todd County
Direct sow in spring or fall. Unlike Florence fennel, herb fennel does not form a bulb. Harvest fronds as needed and seeds when they turn brown. Self-sows readily.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Fennel (herb) in Other Locations
Frequently Asked Questions
When should I plant Fennel (herb) in Todd County, MN?
Todd County is in Zone 4a with an average last frost of May 4. Plan your Fennel (herb) planting based on this frost date — see the calendar above for exact timing.
What planting zone is Todd County, MN?
Todd County, Minnesota is in USDA Hardiness Zone 4a. The average last spring frost is May 4 and first fall frost is October 4.
When should I plant Fennel (herb) in Todd County, MN?
In Todd County, MN, plant Fennel (herb) after the last frost (around May 4) and before the first frost (around October 4). Best results when soil holds above 50°F.
What growing zone is Todd County, MN for Fennel (herb)?
Todd County sits in USDA Zone 4a. Fennel (herb) grows reliably in zones 4a through 10b, so it's a good fit here.
Can Fennel (herb) grow in Todd County's climate?
Yes — Fennel (herb) grows well in Todd County's temperate climate. Todd County averages a 153-day frost-free season, with last frost around May 4 and first frost around October 4.
Your Todd County Garden Planner — Free
A 22-page printable planner built for Todd 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.