When to Plant Acorn Squash in Schoolcraft County, MI
Acorn squash is a small winter squash with dark green, ribbed skin and mildly sweet orange flesh. It is perfect for stuffing and roasting as individual servings.
Schoolcraft County, Michigan is in USDA Zone 4b. The average last spring frost is May 14 and the first fall frost is October 12, giving you a growing season of approximately 151 days.
At an elevation of 1,121 feet, Schoolcraft County receives approximately 37.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 82°F, so choose short-season varieties of Acorn Squash to ensure they mature before fall.
Schoolcraft County Soil Profile
Soil Type
Silt Loam
Soil pH
6-7
Drainage
Well Drained
Plant Planting Risk Windows
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
Acorn Squash Planting Timeline — Schoolcraft County, MI
Acorn Squash Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | April 2 | Apr 2 – Apr 16 |
| Transplant Outdoors | June 4 | Jun 4 – Jun 18 |
| Direct Sow | May 28 | May 28 – Jun 18 |
| Harvest | August 27 | Aug 27 – Oct 1 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Start Indoors |
| May | Direct Sow |
| June | Transplant Outdoors Direct Sow |
| July | — |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
80–100 days
Soil pH
5.5 – 7
USDA Zone
Zone 4b
Growing Season
151 days
Growing Tips for Schoolcraft County
Direct sow after last frost. Harvest when the ground spot turns orange and the skin is hard. Acorn squash has a shorter storage life than butternut, lasting about 2 months.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Acorn Squash in Other Locations
Frequently Asked Questions
When should I plant Acorn Squash in Schoolcraft County, MI?
Schoolcraft County is in Zone 4b with an average last frost of May 14. Plan your Acorn Squash planting based on this frost date — see the calendar above for exact timing.
What planting zone is Schoolcraft County, MI?
Schoolcraft County, Michigan is in USDA Hardiness Zone 4b. The average last spring frost is May 14 and first fall frost is October 12.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Schoolcraft County gardeners in Zone 4b organize planting dates, track what's growing, and never miss a planting window.
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