When to plant Feverfew in Sanilac County, MI
Sanilac County sits in cold Zone 6a. Plant Feverfew May 11–May 25 for the single annual harvest; the October 17 first frost closes the window.
When to Plant Feverfew in Sanilac County, MI
Feverfew is a bushy perennial herb with small daisy-like flowers and aromatic leaves. It has been used traditionally for headache relief and is a cheerful garden plant.
Sanilac County, Michigan is in USDA Zone 6a. The average last spring frost is May 4 and the first fall frost is October 17, giving you a growing season of approximately 166 days.
At an elevation of 985 feet, Sanilac County receives approximately 37 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Feverfew during the growing season.
Sanilac County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Feverfew Planting Timeline — Sanilac County, MI
Feverfew Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 11 | May 11 – May 25 |
| Harvest | August 10 | Aug 10 – Oct 26 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Transplant Outdoors |
| June | — |
| July | — |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Low — drought tolerant
📅 Days to Maturity
90–120 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 6a
📆 Growing Season
166 days in Sanilac County
Growing Tips for Sanilac County
Start seeds indoors or direct sow on the soil surface. Deadhead regularly to prevent aggressive self-seeding. Divide clumps every 2-3 years to maintain vigor.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Feverfew in Other Locations
Frequently Asked Questions
When should I plant Feverfew in Sanilac County, MI?
Sanilac County is in Zone 6a with an average last frost of May 4. Plan your Feverfew planting based on this frost date — see the calendar above for exact timing.
What planting zone is Sanilac County, MI?
Sanilac County, Michigan is in USDA Hardiness Zone 6a. The average last spring frost is May 4 and first fall frost is October 17.
When should I plant Feverfew in Sanilac County, MI?
In Sanilac County, MI, plant Feverfew after the last frost (around May 4) and before the first frost (around October 17). Best results when soil holds above 50°F.
What growing zone is Sanilac County, MI for Feverfew?
Sanilac County sits in USDA Zone 6a. Feverfew grows reliably in zones 5a through 9b, so it's a good fit here.
Can Feverfew grow in Sanilac County's climate?
Yes — Feverfew grows well in Sanilac County's temperate climate. Sanilac County averages a 166-day frost-free season, with last frost around May 4 and first frost around October 17.
Your Sanilac County Garden Planner — Free
A 22-page printable planner built for Sanilac County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.