When to plant Soybeans in Scott County, IA
Spring Soybeans in Scott County goes in April 22–May 13, once nighttime temps stop dipping near freezing.
When to Plant Soybeans in Scott County, IA
Soybeans (edamame) are a high-protein legume that fixes nitrogen in the soil. Fresh green soybeans harvested at the edamame stage are a nutritious snack.
Scott County, Iowa is in USDA Zone 5b. The average last spring frost is April 15 and the first fall frost is October 17, giving you a growing season of approximately 185 days.
At an elevation of 678 feet, Scott County receives approximately 37.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Soybeans to ensure they mature before fall.
Scott County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Soybeans Planting Timeline — Scott County, IA
Soybeans Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | April 22 | Apr 22 – May 13 |
| Harvest | July 15 | Jul 15 – Sep 9 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Direct Sow |
| May | Direct Sow |
| June | — |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
80–120 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 5b
📆 Growing Season
185 days in Scott County
Growing Tips for Scott County
Direct sow after soil warms to 60F. Plant in blocks rather than rows for better pollination. Harvest for edamame when pods are plump and bright green.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Soybeans in Other Locations
Frequently Asked Questions
When should I plant Soybeans in Scott County, IA?
Scott County is in Zone 5b with an average last frost of April 15. Plan your Soybeans planting based on this frost date — see the calendar above for exact timing.
What planting zone is Scott County, IA?
Scott County, Iowa is in USDA Hardiness Zone 5b. The average last spring frost is April 15 and first fall frost is October 17.
When should I plant Soybeans in Scott County, IA?
In Scott County, IA, plant Soybeans after the last frost (around April 15) and before the first frost (around October 17). Best results when soil holds above 50°F.
What growing zone is Scott County, IA for Soybeans?
Scott County sits in USDA Zone 5b. Soybeans grows reliably in zones 3a through 10b, so it's a good fit here.
Can Soybeans grow in Scott County's climate?
Yes — Soybeans grows well in Scott County's temperate climate. Scott County averages a 185-day frost-free season, with last frost around April 15 and first frost around October 17.
Your Scott County Garden Planner — Free
A 22-page printable planner built for Scott County (Zone 5b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.