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When to plant Soybeans in Barbour County, AL

For Soybeans in Barbour County, the safe spring window opens around March 17 and closes around April 7. Last expected frost is March 10, first fall frost November 15, giving a 250-day growing season.

When to Plant Soybeans in Barbour County, AL

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.

Barbour County, Alabama is in USDA Zone 8b. The average last spring frost is March 10 and the first fall frost is November 15, giving you a growing season of approximately 250 days.

At an elevation of 454 feet, Barbour County receives approximately 60.6 inches of rainfall annually with predominantly clay loam soil. Summer highs average 94°F, providing good warmth for Soybeans during the growing season. 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.

Barbour County, AL (Zone 8b) Long season
250 days
Last Spring Frost March 10
250 growing days
First Fall Frost November 15

Barbour County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.7

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 5.5" 0" ❄️ Dormant
Feb 4.7" 0" ❄️ Dormant
Mar 4.3" 5.1" 0" ✅ Rainfall sufficient
Apr 4.3" 4.4" 0" ✅ Rainfall sufficient
May 4.3" 5.2" 0" ✅ Rainfall sufficient
Jun 4.3" 4.9" 0" ✅ Rainfall sufficient
Jul 4.3" 6.1" 0" ✅ Rainfall sufficient
Aug 4.3" 6.5" 0" ✅ Rainfall sufficient
Sep 4.3" 4.9" 0" ✅ Rainfall sufficient
Oct 4.3" 3.6" 0.7" 💧 Light watering
Nov 4.3" 4.3" 0" ✅ Rainfall sufficient
Dec 5.6" 0" ❄️ Dormant

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

Soybeans Planting Timeline — Barbour County, AL

Soybeans Planting Calendar

Activity When Date Range
Direct Sow March 17 Mar 17 – Apr 7
Harvest June 9 Jun 9 – Aug 4

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

80–120 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 8b

📆 Growing Season

250 days in Barbour County

Growing Tips for Barbour 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 Barbour County, AL?

Barbour County is in Zone 8b with an average last frost of March 10. Plan your Soybeans planting based on this frost date — see the calendar above for exact timing.

What planting zone is Barbour County, AL?

Barbour County, Alabama is in USDA Hardiness Zone 8b. The average last spring frost is March 10 and first fall frost is November 15.

When should I plant Soybeans in Barbour County, AL?

In Barbour County, AL, plant Soybeans after the last frost (around March 10) and before the first frost (around November 15). Best results when soil holds above 50°F.

What growing zone is Barbour County, AL for Soybeans?

Barbour County sits in USDA Zone 8b. Soybeans grows reliably in zones 3a through 10b, so it's a good fit here.

Can Soybeans grow in Barbour County's climate?

Yes — Soybeans grows well in Barbour County's temperate climate. Barbour County averages a 250-day frost-free season, with last frost around March 10 and first frost around November 15.

🌱

Your Barbour County Garden Planner — Free

A 22-page printable planner built for Barbour County (Zone 8b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Barbour County, AL. Local conditions may vary. Last updated: June 2026.

Sources & credits

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