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When to plant Ground Cherry in Ontonagon County, MI

Ontonagon County's 129-day season only supports one Ground Cherry planting per year. Sow between June 19 and July 3 for the best chance at full maturity before September 28.

When to Plant Ground Cherry in Ontonagon County, MI

Ground cherries produce small, sweet, tropical-tasting berries enclosed in papery husks. They are related to tomatillos and cape gooseberries and self-sow readily.

Ontonagon County, Michigan is in USDA Zone 4b. The average last spring frost is May 22 and the first fall frost is September 28, giving you a growing season of approximately 129 days.

At an elevation of 502 feet, Ontonagon County receives approximately 42 inches of rainfall annually with predominantly silt loam soil. Summer highs average 80°F, so choose short-season varieties of Ground Cherry to ensure they mature before fall.

Ontonagon County, MI (Zone 4b) Short season
129 days
Last Spring Frost May 22
129 growing days
First Fall Frost September 28

Ontonagon County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Ground Cherry Planting Timeline — Ontonagon County, MI

Ground Cherry Planting Calendar

Activity When Date Range
Transplant Outdoors June 19 Jun 19 – Jul 3
Harvest August 28 Aug 28 – Oct 23

Plant 1" deep · 15" apart · Rows 24" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April
May
June Transplant Outdoors
July Transplant Outdoors
August Harvest
September Harvest
October Harvest
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

65–80 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 4b

📆 Growing Season

129 days in Ontonagon County

Growing Tips for Ontonagon County

Start seeds indoors 6-8 weeks before last frost. Let fruits fall to the ground naturally when ripe inside their husks. The husk turns brown and papery when the fruit is ready.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Ground Cherry in Ontonagon County, MI?

Ontonagon County is in Zone 4b with an average last frost of May 22. Plan your Ground Cherry planting based on this frost date — see the calendar above for exact timing.

What planting zone is Ontonagon County, MI?

Ontonagon County, Michigan is in USDA Hardiness Zone 4b. The average last spring frost is May 22 and first fall frost is September 28.

When should I plant Ground Cherry in Ontonagon County, MI?

In Ontonagon County, MI, plant Ground Cherry after the last frost (around May 22) and before the first frost (around September 28). Best results when soil holds above 50°F.

What growing zone is Ontonagon County, MI for Ground Cherry?

Ontonagon County sits in USDA Zone 4b. Ground Cherry grows reliably in zones 4a through 11b, so it's a good fit here.

Can Ground Cherry grow in Ontonagon County's climate?

Yes — Ground Cherry grows well in Ontonagon County's temperate climate. Ontonagon County averages a 129-day frost-free season, with last frost around May 22 and first frost around September 28.

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Your Ontonagon County Garden Planner — Free

A 22-page printable planner built for Ontonagon County (Zone 4b). 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 Ontonagon County, MI. Local conditions may vary. Last updated: June 2026.

Sources & credits

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