When to plant Soybeans in Lonoke County, AR
The best window to plant Soybeans in Lonoke County, is March 29–April 19, when soil warms to 50°F. Last frost typically hits March 22; first frost November 5.
When to Plant Soybeans in Lonoke County, AR
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.
Lonoke County, Arkansas is in USDA Zone 8a. The average last spring frost is March 22 and the first fall frost is November 5, giving you a growing season of approximately 228 days.
At an elevation of 1,126 feet, Lonoke County receives approximately 48.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Soybeans during the growing season.
Lonoke County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Soybeans Planting Timeline — Lonoke County, AR
Soybeans Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | March 29 | Mar 29 – Apr 19 |
| Harvest | June 21 | Jun 21 – Aug 16 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Direct Sow |
| April | Direct Sow |
| May | — |
| June | Harvest |
| July | Harvest |
| August | Harvest |
| September | — |
| 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 8a
📆 Growing Season
228 days in Lonoke County
Growing Tips for Lonoke 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 Lonoke County, AR?
Lonoke County is in Zone 8a with an average last frost of March 22. Plan your Soybeans planting based on this frost date — see the calendar above for exact timing.
What planting zone is Lonoke County, AR?
Lonoke County, Arkansas is in USDA Hardiness Zone 8a. The average last spring frost is March 22 and first fall frost is November 5.
When should I plant Soybeans in Lonoke County, AR?
In Lonoke County, AR, plant Soybeans after the last frost (around March 22) and before the first frost (around November 5). Best results when soil holds above 50°F.
What growing zone is Lonoke County, AR for Soybeans?
Lonoke County sits in USDA Zone 8a. Soybeans grows reliably in zones 3a through 10b, so it's a good fit here.
Can Soybeans grow in Lonoke County's climate?
Yes — Soybeans grows well in Lonoke County's temperate climate. Lonoke County averages a 228-day frost-free season, with last frost around March 22 and first frost around November 5.
Your Lonoke County Garden Planner — Free
A 22-page printable planner built for Lonoke County (Zone 8a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.