When to plant Fava Beans in Roscommon County, MI
Roscommon County gardeners should plant Fava Beans between May 1 and May 22 in spring. With Roscommon County's Zone 5a climate (last frost May 15), Fava Beans needs 75–100 days to mature — plant by June 24 for a full harvest. A second sowing from July 24 to August 7 extends the harvest into fall.
When to Plant Fava Beans in Roscommon County, MI
Fava beans are a cool-season legume with large, meaty beans inside thick pods. They fix nitrogen in the soil and are one of the oldest cultivated crops.
Roscommon County, Michigan is in USDA Zone 5a. The average last spring frost is May 15 and the first fall frost is October 2, giving you a growing season of approximately 140 days.
At an elevation of 1,298 feet, Roscommon County receives approximately 36 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Fava Beans to ensure they mature before fall.
Roscommon County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Fava Beans Planting Timeline — Roscommon County, MI
Fava Beans Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | April 10 | Apr 10 – Apr 24 |
| Transplant Outdoors | May 15 | May 15 – May 29 |
| Direct Sow | May 1 | May 1 – May 22 |
| Harvest | July 31 | Jul 31 – Sep 11 |
| Fall Sowing | July 24 | Jul 24 – Aug 7 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Start Indoors |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | Fall Sowing Harvest |
| August | Fall Sowing Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
75–100 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 5a
📆 Growing Season
140 days in Roscommon County
Growing Tips for Roscommon County
Direct sow as early as soil can be worked in spring. Pinch growing tips when pods begin to form to redirect energy and reduce aphid problems. Stake tall varieties.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Fava Beans in Other Locations
Frequently Asked Questions
When should I plant Fava Beans in Roscommon County, MI?
Roscommon County is in Zone 5a with an average last frost of May 15. Plan your Fava Beans planting based on this frost date — see the calendar above for exact timing.
What planting zone is Roscommon County, MI?
Roscommon County, Michigan is in USDA Hardiness Zone 5a. The average last spring frost is May 15 and first fall frost is October 2.
When should I plant Fava Beans in Roscommon County, MI?
In Roscommon County, MI, plant Fava Beans after the last frost (around May 15) and before the first frost (around October 2). Best results when soil holds above 50°F.
What growing zone is Roscommon County, MI for Fava Beans?
Roscommon County sits in USDA Zone 5a. Fava Beans grows reliably in zones 2a through 10b, so it's a good fit here.
Can Fava Beans grow in Roscommon County's climate?
Yes — Fava Beans grows well in Roscommon County's temperate climate. Roscommon County averages a 140-day frost-free season, with last frost around May 15 and first frost around October 2.
Your Roscommon County Garden Planner — Free
A 22-page printable planner built for Roscommon County (Zone 5a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.