When to plant Squash (Summer) in Tuscola County, MI
Tuscola County's spring Squash (Summer) window runs May 10 through May 31. time plantings around the expected last-frost window for best survival.
When to Plant Squash (Summer) in Tuscola County, MI
Summer squash includes zucchini, yellow crookneck, and pattypan varieties that are harvested young and tender. They are prolific producers in warm weather.
Tuscola County, Michigan is in USDA Zone 6a. The average last spring frost is May 3 and the first fall frost is October 16, giving you a growing season of approximately 166 days.
At an elevation of 1,369 feet, Tuscola County receives approximately 30.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Squash (Summer) during the growing season.
Tuscola County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Squash (Summer) Planting Timeline — Tuscola County, MI
Squash (Summer) Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 29 | Mar 29 – Apr 12 |
| Transplant Outdoors | May 17 | May 17 – May 31 |
| Direct Sow | May 10 | May 10 – May 31 |
| Harvest | July 5 | Jul 5 – Sep 6 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors |
| May | Transplant Outdoors Direct Sow |
| 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
45–65 days
🧪 Soil pH
Needs 6–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 6a
📆 Growing Season
166 days in Tuscola County
Growing Tips for Tuscola County
Direct sow after last frost on mounds. Harvest frequently when fruits are 6-8 inches for best texture. Check plants daily as they grow rapidly in summer heat.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Squash (Summer) in Other Locations
Frequently Asked Questions
When should I plant Squash (Summer) in Tuscola County, MI?
Tuscola County is in Zone 6a with an average last frost of May 3. Plan your Squash (Summer) planting based on this frost date — see the calendar above for exact timing.
What planting zone is Tuscola County, MI?
Tuscola County, Michigan is in USDA Hardiness Zone 6a. The average last spring frost is May 3 and first fall frost is October 16.
When should I plant Squash (Summer) in Tuscola County, MI?
In Tuscola County, MI, plant Squash (Summer) after the last frost (around May 3) and before the first frost (around October 16). Best results when soil holds above 50°F.
What growing zone is Tuscola County, MI for Squash (Summer)?
Tuscola County sits in USDA Zone 6a. Squash (Summer) grows reliably in zones 3a through 11b, so it's a good fit here.
Can Squash (Summer) grow in Tuscola County's climate?
Yes — Squash (Summer) grows well in Tuscola County's temperate climate. Tuscola County averages a 166-day frost-free season, with last frost around May 3 and first frost around October 16.
Your Tuscola County Garden Planner — Free
A 22-page printable planner built for Tuscola County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.