When to Plant Edamame in Boone County, IN
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.
Boone County, Indiana is in USDA Zone 5b. The average last spring frost is April 22 and the first fall frost is October 15, giving you a growing season of approximately 176 days.
At an elevation of 850 feet, Boone County receives approximately 35.3 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.
Boone County Soil Profile
Soil Type
Silt Loam
Soil pH
6.2-6.8
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Edamame Planting Timeline — Boone County, IN
Edamame Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | April 29 | Apr 29 – May 20 |
| Harvest | July 15 | Jul 15 – Aug 26 |
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 | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
75–100 days
Soil pH
6 – 7
USDA Zone
Zone 5b
Growing Season
176 days
Growing Tips for Boone 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
Level Up Your Garden
Edamame in Other Locations
Frequently Asked Questions
When should I plant Edamame in Boone County, IN?
Boone County is in Zone 5b with an average last frost of April 22. Plan your Edamame planting based on this frost date — see the calendar above for exact timing.
What planting zone is Boone County, IN?
Boone County, Indiana is in USDA Hardiness Zone 5b. The average last spring frost is April 22 and first fall frost is October 15.
Plan Your Garden with Confidence
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