When to plant Tarragon in Gladwin County, MI
Plant Tarragon in Gladwin County during the brief May 16–May 30 window. With 150 frost-free days, fall plantings can't mature before October 6.
When to Plant Tarragon in Gladwin County, MI
French tarragon is a perennial herb with slender leaves and a distinctive anise-like flavor essential in French cooking. It does not produce viable seed and must be propagated vegetatively.
Gladwin County, Michigan is in USDA Zone 6a. The average last spring frost is May 9 and the first fall frost is October 6, giving you a growing season of approximately 150 days.
At an elevation of 832 feet, Gladwin County receives approximately 36.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Tarragon to ensure they mature before fall.
Gladwin County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Tarragon Planting Timeline — Gladwin County, MI
Tarragon Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 16 | May 16 – May 30 |
| Harvest | July 18 | Jul 18 – Sep 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 | 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 6–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 6a
📆 Growing Season
150 days in Gladwin County
Growing Tips for Gladwin County
Purchase plants or divisions as French tarragon does not grow true from seed. Plant in well-drained soil. Divide every 3-4 years to maintain vigor. Harvest tips regularly for best flavor.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Tarragon in Other Locations
Frequently Asked Questions
When should I plant Tarragon in Gladwin County, MI?
Gladwin County is in Zone 6a with an average last frost of May 9. Plan your Tarragon planting based on this frost date — see the calendar above for exact timing.
What planting zone is Gladwin County, MI?
Gladwin County, Michigan is in USDA Hardiness Zone 6a. The average last spring frost is May 9 and first fall frost is October 6.
When should I plant Tarragon in Gladwin County, MI?
In Gladwin County, MI, plant Tarragon after the last frost (around May 9) and before the first frost (around October 6). Best results when soil holds above 50°F.
What growing zone is Gladwin County, MI for Tarragon?
Gladwin County sits in USDA Zone 6a. Tarragon grows reliably in zones 4a through 9b, so it's a good fit here.
Can Tarragon grow in Gladwin County's climate?
Yes — Tarragon grows well in Gladwin County's temperate climate. Gladwin County averages a 150-day frost-free season, with last frost around May 9 and first frost around October 6.
Your Gladwin County Garden Planner — Free
A 22-page printable planner built for Gladwin 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.