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When to Plant Soybeans in Eureka County, NV

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.

Eureka County, Nevada is in USDA Zone 5b. The average last spring frost is May 30 and the first fall frost is September 20, giving you a growing season of approximately 113 days.

At an elevation of 8,408 feet, Eureka County receives approximately 14.7 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 92ยฐF, providing good warmth for Soybeans during the growing season. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Soybeans will need more frequent watering and organic matter to retain nutrients. With low rainfall, drip irrigation is essential for growing Soybeans successfully. Mulch heavily to conserve soil moisture.

Eureka County, NV (Zone 5b) Short season
113 days
Last Spring Frost May 30
113 growing days
First Fall Frost September 20

Eureka County Soil Profile

Soil Type

Sandy Loam

Soil pH

7-8.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Transplant: May 23 🍅 Harvest: Aug 15 – Oct 10
Recommended (50%) ✗ May not fit
Transplant: May 30 🍅 Harvest: Aug 22 – Oct 17
Safe Start (90%) ✗ May not fit
Transplant: Jun 16 🍅 Harvest: Sep 8 – Nov 3

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

Plant needs
1.0″/week
Rainfall provides
0.6″/week
You supply
0.9″/week
Watering frequency 2-3 times/week
Season total 910 gal / 100 sq ft
Drought risk

Water stress score is 10/10 โ€” consider drought-tolerant varieties and mulching

Soybeans needs ~1,900 GDD — county provides 2,147 GDD Good fit

Soybeans Planting Timeline โ€” Eureka County, NV

Soybeans Planting Calendar

Activity When Date Range
Direct Sow June 6 Jun 6 โ€“ Jun 27
Harvest August 29 Aug 29 โ€“ Oct 24

Plant 1" deep ยท 15" apart ยท Rows 24" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April โ€”
May โ€”
June Direct Sow
July โ€”
August Harvest
September Harvest
October Harvest
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

80โ€“120 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 5b

Growing Season

113 days

Growing Tips for Eureka 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

  • Onion
  • Garlic

Level Up Your Garden

Frequently Asked Questions

When should I plant Soybeans in Eureka County, NV?

Eureka County is in Zone 5b with an average last frost of May 30. Plan your Soybeans planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Eureka County, NV?

Eureka County, Nevada is in USDA Hardiness Zone 5b. The average last spring frost is May 30 and first fall frost is September 20.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Eureka County gardeners in Zone 5b organize planting dates, track what's growing, and never miss a planting window.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Eureka County, NV. Local conditions may vary. Last updated: April 2026.