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When to Plant Edamame in Gaines County, TX

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.

Gaines County, Texas is in USDA Zone 7b. The average last spring frost is April 6 and the first fall frost is November 6, giving you a growing season of approximately 214 days.

At an elevation of 3,384 feet, Gaines County receives approximately 43.7 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 100ยฐF, so Edamame may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Edamame will need more frequent watering and organic matter to retain nutrients.

Gaines County, TX (Zone 7b) Long season
214 days
Last Spring Frost April 6
214 growing days
First Fall Frost November 6

Gaines County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.5-8.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (101 days to spare)
Transplant: Mar 26 🍅 Harvest: Jun 11 – Jul 23
Recommended (50%) ✓ Fits season (95 days to spare)
Transplant: Apr 6 🍅 Harvest: Jun 22 – Aug 3
Safe Start (90%) ✓ Fits season (94 days to spare)
Transplant: Apr 20 🍅 Harvest: Jul 6 – Aug 17

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
0.9″/week
You supply
0.2″/week
Watering frequency Only during dry spells
Season total 325 gal / 100 sq ft
Drought risk

Water stress score is 8/10 โ€” consider drought-tolerant varieties and mulching

Edamame needs ~2,188 GDD — county provides 5,350 GDD Excellent fit

Edamame Planting Timeline โ€” Gaines County, TX

Edamame Planting Calendar

Activity When Date Range
Direct Sow April 13 Apr 13 โ€“ May 4
Harvest June 29 Jun 29 โ€“ Aug 10

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

75โ€“100 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 7b

Growing Season

214 days

Growing Tips for Gaines 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

  • Onion
  • Garlic

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Frequently Asked Questions

When should I plant Edamame in Gaines County, TX?

Gaines County is in Zone 7b with an average last frost of April 6. Plan your Edamame planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Gaines County, TX?

Gaines County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is April 6 and first fall frost is November 6.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Gaines County gardeners in Zone 7b 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 Gaines County, TX. Local conditions may vary. Last updated: April 2026.