When to plant Edamame in Grant County, MN
Grant County gardeners should plant Edamame between May 15 and June 5 in spring. With Grant County's Zone 4b climate (last frost May 1), Edamame needs 75–100 days to mature — plant by June 29 for a full harvest.
When to Plant Edamame in Grant County, MN
Edamame are soybeans harvested at the immature green stage for a sweet, nutty snack. They are high in protein and easy to grow in warm climates.
Grant County, Minnesota is in USDA Zone 4b. The average last spring frost is May 1 and the first fall frost is October 7, giving you a growing season of approximately 159 days.
At an elevation of 1,371 feet, Grant County receives approximately 31.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Edamame to ensure they mature before fall.
Grant County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Edamame Planting Timeline — Grant County, MN
Edamame Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | May 15 | May 15 – Jun 5 |
| Harvest | July 31 | Jul 31 – Sep 11 |
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
75–100 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 4b
📆 Growing Season
159 days in Grant County
Growing Tips for Grant County
Direct sow after soil is warm. Do not over-fertilize with nitrogen. Harvest when pods are plump and bright green but before they start to yellow. Steam or boil pods before eating.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Edamame in Other Locations
Frequently Asked Questions
When should I plant Edamame in Grant County, MN?
Grant County is in Zone 4b with an average last frost of May 1. Plan your Edamame planting based on this frost date — see the calendar above for exact timing.
What planting zone is Grant County, MN?
Grant County, Minnesota is in USDA Hardiness Zone 4b. The average last spring frost is May 1 and first fall frost is October 7.
When should I plant Edamame in Grant County, MN?
In Grant County, MN, plant Edamame after the last frost (around May 1) and before the first frost (around October 7). Best results when soil holds above 50°F.
What growing zone is Grant County, MN for Edamame?
Grant County sits in USDA Zone 4b. Edamame grows reliably in zones 3a through 10b, so it's a good fit here.
Can Edamame grow in Grant County's climate?
Yes — Edamame grows well in Grant County's temperate climate. Grant County averages a 159-day frost-free season, with last frost around May 1 and first frost around October 7.
Your Grant County Garden Planner — Free
A 22-page printable planner built for Grant County (Zone 4b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.