Blog

When to Plant Black Beans in Wayne County, MS

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

Wayne County, Mississippi is in USDA Zone 8a. The average last spring frost is March 16 and the first fall frost is November 13, giving you a growing season of approximately 242 days.

At an elevation of 153 feet, Wayne County receives approximately 54 inches of rainfall annually with predominantly clay loam soil. Summer highs average 96ยฐF, so Black Beans may need afternoon shade and extra watering during peak heat. Clay soil retains moisture well for Black Beans, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Black Beans root diseases.

Wayne County, MS (Zone 8a) Long season
242 days
Last Spring Frost March 16
242 growing days
First Fall Frost November 13

Wayne County Soil Profile

Soil Type

Clay Loam

Soil pH

5.3-6.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (101 days to spare)
Transplant: Mar 6 🍅 Harvest: Jun 5 – Jul 24
Recommended (50%) ✓ Fits season (102 days to spare)
Transplant: Mar 16 🍅 Harvest: Jun 15 – Aug 3
Safe Start (90%) ✓ Fits season (97 days to spare)
Transplant: Apr 7 🍅 Harvest: Jul 7 – Aug 25

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
0.1″/week
Watering frequency Only during dry spells
Season total 162 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Black Beans needs ~2,310 GDD — county provides 5,324 GDD Excellent fit

Black Beans Planting Timeline โ€” Wayne County, MS

Black Beans Planting Calendar

Activity When Date Range
Direct Sow March 23 Mar 23 โ€“ Apr 13
Harvest June 22 Jun 22 โ€“ Aug 10

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Direct Sow
April Direct Sow
May โ€”
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

90โ€“120 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 8a

Growing Season

242 days

Growing Tips for Wayne 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

Level Up Your Garden

Frequently Asked Questions

When should I plant Black Beans in Wayne County, MS?

Wayne County is in Zone 8a with an average last frost of March 16. Plan your Black Beans planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Wayne County, MS?

Wayne County, Mississippi is in USDA Hardiness Zone 8a. The average last spring frost is March 16 and first fall frost is November 13.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Wayne County gardeners in Zone 8a organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

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