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When to Plant Ground Cherry in Montcalm 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.

Montcalm County, Michigan is in USDA Zone 5a. The average last spring frost is May 4 and the first fall frost is October 10, giving you a growing season of approximately 159 days.

At an elevation of 1,377 feet, Montcalm County receives approximately 33.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87ยฐF, providing good warmth for Ground Cherry during the growing season.

Montcalm County, MI (Zone 5a) Moderate season
159 days
Last Spring Frost May 4
159 growing days
First Fall Frost October 10

Montcalm County Soil Profile

Soil Type

Silt Loam

Soil pH

6.2-7.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (10 days to spare)
Transplant: May 19 🍅 Harvest: Jul 28 – Sep 22
Recommended (50%) ✓ Fits season (12 days to spare)
Transplant: May 25 🍅 Harvest: Aug 3 – Sep 28
Safe Start (90%) ✓ Fits season (14 days to spare)
Transplant: Jun 12 🍅 Harvest: Aug 21 – Oct 16

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.9″/week
You supply
0.4″/week
Watering frequency 1-2 times/week
Season total 572 gal / 100 sq ft
Ground Cherry needs ~1,106 GDD — county provides 2,424 GDD Excellent fit

Ground Cherry Planting Timeline โ€” Montcalm County, MI

Ground Cherry Planting Calendar

Activity When Date Range
Transplant Outdoors May 25 May 25 โ€“ Jun 8
Harvest August 3 Aug 3 โ€“ Sep 28

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

65โ€“80 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 5a

Growing Season

159 days

Growing Tips for Montcalm 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

Level Up Your Garden

Frequently Asked Questions

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

Montcalm County is in Zone 5a with an average last frost of May 4. Plan your Ground Cherry planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Montcalm County, MI?

Montcalm County, Michigan is in USDA Hardiness Zone 5a. The average last spring frost is May 4 and first fall frost is October 10.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Montcalm County gardeners in Zone 5a organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

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