Blog

When to plant Soybeans in Autauga County, AL

Plant Soybeans in Autauga County, when soil hits 50°F — usually March 21. Continue planting through April 11 for the spring crop.

When to Plant Soybeans in Autauga 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.

Autauga County, Alabama is in USDA Zone 8b. The average last spring frost is March 14 and the first fall frost is November 14, giving you a growing season of approximately 245 days.

At an elevation of 80 feet, Autauga County receives approximately 58.6 inches of rainfall annually with predominantly clay loam soil. Summer highs average 91°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.

Autauga County, AL (Zone 8b) Long season
245 days
Last Spring Frost March 14
245 growing days
First Fall Frost November 14

Autauga County Soil Profile

Soil Type

Clay Loam

Soil pH

5.7-6.5

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 5.3" 0" ❄️ Dormant
Feb 4.3" 0" ❄️ Dormant
Mar 4.3" 6" 0" ✅ Rainfall sufficient
Apr 4.3" 4.1" 0.2" 💧 Light watering
May 4.3" 4.9" 0" ✅ Rainfall sufficient
Jun 4.3" 4.5" 0" ✅ Rainfall sufficient
Jul 4.3" 6.4" 0" ✅ Rainfall sufficient
Aug 4.3" 5.5" 0" ✅ Rainfall sufficient
Sep 4.3" 4.5" 0" ✅ Rainfall sufficient
Oct 4.3" 3.5" 0.8" 💧 Light watering
Nov 4.3" 4.9" 0" ✅ Rainfall sufficient
Dec 4.7" 0" ❄️ Dormant

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

Soybeans Planting Timeline — Autauga County, AL

Soybeans Planting Calendar

Activity When Date Range
Direct Sow March 21 Mar 21 – Apr 11
Harvest June 13 Jun 13 – Aug 8

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

245 days in Autauga County

Growing Tips for Autauga 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 Autauga County, AL?

Autauga County is in Zone 8b with an average last frost of March 14. Plan your Soybeans planting based on this frost date — see the calendar above for exact timing.

What planting zone is Autauga County, AL?

Autauga County, Alabama is in USDA Hardiness Zone 8b. The average last spring frost is March 14 and first fall frost is November 14.

When should I plant Soybeans in Autauga County, AL?

In Autauga County, AL, plant Soybeans after the last frost (around March 14) and before the first frost (around November 14). Best results when soil holds above 50°F.

What growing zone is Autauga County, AL for Soybeans?

Autauga 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 Autauga County's climate?

Yes — Soybeans grows well in Autauga County's temperate climate. Autauga County averages a 245-day frost-free season, with last frost around March 14 and first frost around November 14.

🌱

Your Autauga County Garden Planner — Free

A 22-page printable planner built for Autauga 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.

Instant PDF download. No spam, unsubscribe any time.

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

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.