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When to plant Chervil in Mackinac County, MI

For Mackinac County, gardeners: plant Chervil April 28 through May 19 once soil reads 50°F. A second sowing from August 1 to August 15 extends the harvest into fall.

When to Plant Chervil in Mackinac County, MI

Chervil is a delicate herb with a subtle anise-parsley flavor, essential in French cuisine as part of fines herbes. It prefers cool conditions and partial shade.

Mackinac County, Michigan is in USDA Zone 5a. The average last spring frost is May 12 and the first fall frost is October 10, giving you a growing season of approximately 151 days.

At an elevation of 1,335 feet, Mackinac County receives approximately 35.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 80°F, so choose short-season varieties of Chervil to ensure they mature before fall.

Mackinac County, MI (Zone 5a) Moderate season
151 days
Last Spring Frost May 12
151 growing days
First Fall Frost October 10

Mackinac County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Chervil Planting Timeline — Mackinac County, MI

Chervil Planting Calendar

Activity When Date Range
Start Indoors April 7 Apr 7 – Apr 21
Transplant Outdoors May 5 May 5 – May 19
Direct Sow April 28 Apr 28 – May 19
Harvest June 16 Jun 16 – Aug 18
Fall Sowing August 1 Aug 1 – Aug 15

Plant 0.5" deep · 8" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April Start Indoors Direct Sow
May Transplant Outdoors Direct Sow
June Harvest
July Harvest
August Fall Sowing Harvest
September
October
November
December

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

40–60 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 5a

📆 Growing Season

151 days in Mackinac County

Growing Tips for Mackinac County

Direct sow in early spring or fall as chervil bolts in heat. Provide shade and cool conditions. Harvest outer leaves as needed; use fresh as it loses flavor when dried.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Chervil in Mackinac County, MI?

Mackinac County is in Zone 5a with an average last frost of May 12. Plan your Chervil planting based on this frost date — see the calendar above for exact timing.

What planting zone is Mackinac County, MI?

Mackinac County, Michigan is in USDA Hardiness Zone 5a. The average last spring frost is May 12 and first fall frost is October 10.

When should I plant Chervil in Mackinac County, MI?

In Mackinac County, MI, plant Chervil after the last frost (around May 12) and before the first frost (around October 10). Best results when soil holds above 50°F.

What growing zone is Mackinac County, MI for Chervil?

Mackinac County sits in USDA Zone 5a. Chervil grows reliably in zones 3a through 10b, so it's a good fit here.

Can Chervil grow in Mackinac County's climate?

Yes — Chervil grows well in Mackinac County's temperate climate. Mackinac County averages a 151-day frost-free season, with last frost around May 12 and first frost around October 10.

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Your Mackinac County Garden Planner — Free

A 22-page printable planner built for Mackinac 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.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Mackinac County, MI. Local conditions may vary. Last updated: June 2026.

Sources & credits

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