When to plant Corn in Mason County, MI
Mason County's 145-day season only supports one Corn planting per year. Sow between May 22 and June 12 for the best chance at full maturity before October 7.
When to Plant Corn in Mason County, MI
Corn is a warm-season grass grown for its sweet ears, which are best eaten soon after harvest. It is wind-pollinated and must be planted in blocks for good kernel fill.
Mason County, Michigan is in USDA Zone 6a. The average last spring frost is May 15 and the first fall frost is October 7, giving you a growing season of approximately 145 days.
At an elevation of 1,318 feet, Mason County receives approximately 34.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Corn during the growing season.
Mason County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
How Much Corn to Grow
For a family of 4, plant approximately 60 corn plants in about 120 sq ft. In Mason County's 145-day season, you'll have plenty of time for a full harvest. Plan your garden layout →
Corn Planting Timeline — Mason County, MI
Corn Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | May 22 | May 22 – Jun 12 |
| Harvest | July 24 | Jul 24 – Sep 18 |
Plant 1" deep · 12" apart · Rows 36" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Direct Sow |
| June | Direct Sow |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
60–100 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 6a
📆 Growing Season
145 days in Mason County
Growing Tips for Mason County
Plant in blocks of at least 4 rows rather than single rows for proper pollination. Direct sow after soil reaches 60F. Side-dress with nitrogen when plants are knee-high.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Corn in Other Locations
Frequently Asked Questions
When should I plant Corn in Mason County, MI?
Mason County is in Zone 6a with an average last frost of May 15. Plan your Corn planting based on this frost date — see the calendar above for exact timing.
What planting zone is Mason County, MI?
Mason County, Michigan is in USDA Hardiness Zone 6a. The average last spring frost is May 15 and first fall frost is October 7.
When should I plant Corn in Mason County, MI?
In Mason County, MI, plant Corn after the last frost (around May 15) and before the first frost (around October 7). Best results when soil holds above 50°F.
What growing zone is Mason County, MI for Corn?
Mason County sits in USDA Zone 6a. Corn grows reliably in zones 3a through 11b, so it's a good fit here.
Can Corn grow in Mason County's climate?
Yes — Corn grows well in Mason County's temperate climate. Mason County averages a 145-day frost-free season, with last frost around May 15 and first frost around October 7.
Your Mason County Garden Planner — Free
A 22-page printable planner built for Mason 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.