When to plant Lima Beans in Roscommon County, MI
Plant Lima Beans in Roscommon County, between May 22 and June 12 — the only viable window. Zone 5a's short season (140 frost-free days) rules out a fall crop.
When to Plant Lima Beans in Roscommon County, MI
Lima beans are a warm-season legume producing large, creamy beans with a buttery texture. Both bush and pole varieties are available, with pole types yielding more.
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 Lima Beans to ensure they mature before fall.
Roscommon County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Lima Beans Planting Timeline — Roscommon County, MI
Lima Beans Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | May 22 | May 22 – Jun 12 |
| Harvest | July 24 | Jul 24 – Sep 4 |
Plant 1" deep · 15" apart · Rows 24" 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
60–90 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 after soil is thoroughly warm at 65F or above. Do not soak seeds before planting as they may crack. Harvest when pods are plump but still green for fresh limas.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Lima Beans in Other Locations
Frequently Asked Questions
When should I plant Lima Beans in Roscommon County, MI?
Roscommon County is in Zone 5a with an average last frost of May 15. Plan your Lima 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 Lima Beans in Roscommon County, MI?
In Roscommon County, MI, plant Lima 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 Lima Beans?
Roscommon County sits in USDA Zone 5a. Lima Beans grows reliably in zones 3a through 11b, so it's a good fit here.
Can Lima Beans grow in Roscommon County's climate?
Yes — Lima 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.