When to Plant Soybeans in Utah County, UT
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.
Utah County, Utah is in USDA Zone 6a. The average last spring frost is May 5 and the first fall frost is October 11, giving you a growing season of approximately 159 days.
At an elevation of 5,535 feet, Utah County receives approximately 22.1 inches of rainfall annually with predominantly loam soil. Summer highs average 86°F, providing good warmth for Soybeans during the growing season.
Utah County Soil Profile
Soil Type
Loam
Soil pH
6.5-8.3
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 8/10 — consider drought-tolerant varieties and mulching
Soybeans Planting Timeline — Utah County, UT
Soybeans Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | May 12 | May 12 – Jun 2 |
| Harvest | August 4 | Aug 4 – Sep 29 |
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 | — |
| 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
6 – 7
USDA Zone
Zone 6a
Growing Season
159 days
Growing Tips for Utah 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
Level Up Your Garden
Soybeans in Other Locations
Frequently Asked Questions
When should I plant Soybeans in Utah County, UT?
Utah County is in Zone 6a with an average last frost of May 5. Plan your Soybeans planting based on this frost date — see the calendar above for exact timing.
What planting zone is Utah County, UT?
Utah County, Utah is in USDA Hardiness Zone 6a. The average last spring frost is May 5 and first fall frost is October 11.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Utah County gardeners in Zone 6a organize planting dates, track what's growing, and never miss a planting window.
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