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When to Plant Black Beans in Athens County, OH

Black beans are a warm-season legume producing small, dark, protein-rich beans that are a staple in Latin American and Caribbean cuisines.

Athens County, Ohio is in USDA Zone 6b. The average last spring frost is April 20 and the first fall frost is October 26, giving you a growing season of approximately 189 days.

At an elevation of 645 feet, Athens County receives approximately 39.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Black Beans during the growing season.

Athens County, OH (Zone 6b) Moderate season
189 days
Last Spring Frost April 20
189 growing days
First Fall Frost October 26

Athens County Soil Profile

Soil Type

Silt Loam

Soil pH

6.1-7.2

Drainage

Well Drained

Monthly Watering Guide for Black Beans

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

Month Black Beans Needs Rainfall You Supplement Action
Jan 1.7" 0" ❄️ Dormant
Feb 1.9" 0" ❄️ Dormant
Mar 2.4" 0" ❄️ Dormant
Apr 4.3" 3.3" 1" 💧 Light watering
May 4.3" 4.7" 0" ✅ Rainfall sufficient
Jun 4.3" 5" 0" ✅ Rainfall sufficient
Jul 4.3" 4.4" 0" ✅ Rainfall sufficient
Aug 4.3" 4.5" 0" ✅ Rainfall sufficient
Sep 4.3" 3.6" 0.7" 💧 Light watering
Oct 4.3" 3.3" 1" 💧 Light watering
Nov 2.3" 0" ❄️ Dormant
Dec 1.9" 0" ❄️ Dormant

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

Black Beans Planting Timeline — Athens County, OH

Black Beans Planting Calendar

Activity When Date Range
Direct Sow April 27 Apr 27 – May 18
Harvest July 27 Jul 27 – Sep 14

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

90–120 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 6b

📆 Growing Season

189 days in Athens County

Growing Tips for Athens County

Direct sow after last frost. Provide support for climbing varieties. Allow pods to dry fully on the vine before harvesting. Thresh dried pods by hand or in a pillowcase.

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 Black Beans in Athens County, OH?

Athens County is in Zone 6b with an average last frost of April 20. Plan your Black Beans planting based on this frost date — see the calendar above for exact timing.

What planting zone is Athens County, OH?

Athens County, Ohio is in USDA Hardiness Zone 6b. The average last spring frost is April 20 and first fall frost is October 26.

🌱

Your Athens County Garden Planner — Free

A 22-page printable planner built for Athens County (Zone 6b). 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 Athens County, OH. Local conditions may vary. Last updated: July 2026.

Sources & credits

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