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When to Plant Soybeans in Bell County, TX

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.

Bell County, Texas is in USDA Zone 8a. The average last spring frost is March 18 and the first fall frost is November 12, giving you a growing season of approximately 239 days.

At an elevation of 2,860 feet, Bell County receives approximately 66.1 inches of rainfall annually with predominantly clay soil. Summer highs average 97Β°F, so Soybeans may need afternoon shade and extra watering during peak heat. Clay soil retains moisture well for Soybeans, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Soybeans root diseases.

Bell County, TX (Zone 8a) Long season
239 days
Last Spring Frost March 18
239 growing days
First Fall Frost November 12

Bell County Soil Profile

Soil Type

Clay

Soil pH

7-7.7

Drainage

Well Drained

Monthly Watering Guide for Soybeans

Soybeans needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Soybeans Needs Rainfall You Supplement Action
Jan β€” 1.8" 0" ❄️ Dormant
Feb β€” 2.3" 0" ❄️ Dormant
Mar 4.3" 4.2" 0.1" πŸ’§ Light watering
Apr 4.3" 7.1" 0" βœ… Rainfall sufficient
May 4.3" 9.1" 0" βœ… Rainfall sufficient
Jun 4.3" 10.9" 0" βœ… Rainfall sufficient
Jul 4.3" 8.9" 0" βœ… Rainfall sufficient
Aug 4.3" 7.4" 0" βœ… Rainfall sufficient
Sep 4.3" 5.8" 0" βœ… Rainfall sufficient
Oct 4.3" 4.2" 0.1" πŸ’§ Light watering
Nov 4.3" 2.4" 1.9" πŸ’§ Light watering
Dec β€” 1.9" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Bell County). Supplement amounts are based on average rainfall β€” actual needs vary with temperature, soil, and mulching.

Soybeans Planting Timeline β€” Bell County, TX

Soybeans Planting Calendar

Activity When Date Range
Direct Sow March 25 Mar 25 – Apr 15
Harvest June 17 Jun 17 – Aug 12

Plant 1" deep Β· 15" apart Β· Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

80–120 days

πŸ§ͺ Soil pH

Needs 6–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 8a

πŸ“† Growing Season

239 days in Bell County

Growing Tips for Bell 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Soybeans in Bell County, TX?

Bell County is in Zone 8a with an average last frost of March 18. Plan your Soybeans planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Bell County, TX?

Bell County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 18 and first fall frost is November 12.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Bell County gardeners in Zone 8a 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 Bell County, TX. Local conditions may vary. Last updated: April 2026.