When to plant Tarragon in Lyon County, MN
Lyon County sits in cold Zone 5a. Plant Tarragon May 11–May 25 for the single annual harvest; the October 2 first frost closes the window.
When to Plant Tarragon in Lyon County, MN
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.
Lyon County, Minnesota is in USDA Zone 5a. The average last spring frost is May 4 and the first fall frost is October 2, giving you a growing season of approximately 151 days.
At an elevation of 634 feet, Lyon County receives approximately 35.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 82°F, so choose short-season varieties of Tarragon to ensure they mature before fall.
Lyon County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Tarragon Planting Timeline — Lyon County, MN
Tarragon Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 11 | May 11 – May 25 |
| Harvest | July 13 | Jul 13 – Sep 21 |
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 5a
📆 Growing Season
151 days in Lyon County
Growing Tips for Lyon 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 Lyon County, MN?
Lyon County is in Zone 5a with an average last frost of May 4. Plan your Tarragon planting based on this frost date — see the calendar above for exact timing.
What planting zone is Lyon County, MN?
Lyon County, Minnesota is in USDA Hardiness Zone 5a. The average last spring frost is May 4 and first fall frost is October 2.
When should I plant Tarragon in Lyon County, MN?
In Lyon County, MN, plant Tarragon after the last frost (around May 4) and before the first frost (around October 2). Best results when soil holds above 50°F.
What growing zone is Lyon County, MN for Tarragon?
Lyon County sits in USDA Zone 5a. Tarragon grows reliably in zones 4a through 9b, so it's a good fit here.
Can Tarragon grow in Lyon County's climate?
Yes — Tarragon grows well in Lyon County's temperate climate. Lyon County averages a 151-day frost-free season, with last frost around May 4 and first frost around October 2.
Your Lyon County Garden Planner — Free
A 22-page printable planner built for Lyon County (Zone 5a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.