When to plant Thyme in Genesee County, MI
Plant Thyme in Genesee County, between May 5 and May 19 — the only viable window. Zone 6a's short season (172 frost-free days) rules out a fall crop.
When to Plant Thyme in Genesee County, MI
Thyme is a low-growing perennial herb with tiny, aromatic leaves and a warm, earthy flavor. It is one of the most versatile culinary and medicinal herbs.
Genesee County, Michigan is in USDA Zone 6a. The average last spring frost is April 28 and the first fall frost is October 17, giving you a growing season of approximately 172 days.
At an elevation of 1,023 feet, Genesee County receives approximately 39.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Thyme to ensure they mature before fall.
Genesee County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Thyme Planting Timeline — Genesee County, MI
Thyme Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 5 | May 5 – May 19 |
| Harvest | July 14 | Jul 14 – Sep 15 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Transplant Outdoors |
| June | — |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Low — drought tolerant
📅 Days to Maturity
70–90 days
🧪 Soil pH
Needs 6–8 · Your soil: N/A
🗺️ USDA Zone
Zone 6a
📆 Growing Season
172 days in Genesee County
Growing Tips for Genesee County
Start from seed, cuttings, or divisions. Plant in well-drained, lean soil. Prune lightly after flowering. Replace plants every 3-4 years when they become woody.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Thyme in Other Locations
Frequently Asked Questions
When should I plant Thyme in Genesee County, MI?
Genesee County is in Zone 6a with an average last frost of April 28. Plan your Thyme planting based on this frost date — see the calendar above for exact timing.
What planting zone is Genesee County, MI?
Genesee County, Michigan is in USDA Hardiness Zone 6a. The average last spring frost is April 28 and first fall frost is October 17.
When should I plant Thyme in Genesee County, MI?
In Genesee County, MI, plant Thyme after the last frost (around April 28) and before the first frost (around October 17). Best results when soil holds above 50°F.
What growing zone is Genesee County, MI for Thyme?
Genesee County sits in USDA Zone 6a. Thyme grows reliably in zones 4a through 9b, so it's a good fit here.
Can Thyme grow in Genesee County's climate?
Yes — Thyme grows well in Genesee County's temperate climate. Genesee County averages a 172-day frost-free season, with last frost around April 28 and first frost around October 17.
Your Genesee County Garden Planner — Free
A 22-page printable planner built for Genesee 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.