When to plant Lima Beans in Koochiching County, MN
Plant Lima Beans in Koochiching County, between June 5 and June 26 — the only viable window. Zone 3b's short season (119 frost-free days) rules out a fall crop.
When to Plant Lima Beans in Koochiching County, MN
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.
Koochiching County, Minnesota is in USDA Zone 3b. The average last spring frost is May 22 and the first fall frost is September 18, giving you a growing season of approximately 119 days.
At an elevation of 508 feet, Koochiching County receives approximately 41.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 79°F, so choose short-season varieties of Lima Beans to ensure they mature before fall.
Koochiching County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Lima Beans Planting Timeline — Koochiching County, MN
Lima Beans Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | June 5 | Jun 5 – Jun 26 |
| Harvest | August 7 | Aug 7 – Sep 18 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | — |
| June | Direct Sow |
| July | — |
| 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 3b
📆 Growing Season
119 days in Koochiching County
Growing Tips for Koochiching 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
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Lima Beans in Other Locations
Frequently Asked Questions
When should I plant Lima Beans in Koochiching County, MN?
Koochiching County is in Zone 3b with an average last frost of May 22. Plan your Lima Beans planting based on this frost date — see the calendar above for exact timing.
What planting zone is Koochiching County, MN?
Koochiching County, Minnesota is in USDA Hardiness Zone 3b. The average last spring frost is May 22 and first fall frost is September 18.
When should I plant Lima Beans in Koochiching County, MN?
In Koochiching County, MN, plant Lima Beans after the last frost (around May 22) and before the first frost (around September 18). Best results when soil holds above 50°F.
What growing zone is Koochiching County, MN for Lima Beans?
Koochiching County sits in USDA Zone 3b. Lima Beans grows reliably in zones 3a through 11b, so it's a good fit here.
Can Lima Beans grow in Koochiching County's climate?
Yes — Lima Beans grows well in Koochiching County's temperate climate. Koochiching County averages a 119-day frost-free season, with last frost around May 22 and first frost around September 18.
Your Koochiching County Garden Planner — Free
A 22-page printable planner built for Koochiching County (Zone 3b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.