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When to Plant Pole Beans in Coahoma County, MS

Pole beans are climbing varieties of green beans that produce over a much longer season than bush types. They require trellising but yield more per square foot.

Coahoma County, Mississippi is in USDA Zone 8a. The average last spring frost is March 16 and the first fall frost is November 11, giving you a growing season of approximately 240 days.

At an elevation of 490 feet, Coahoma County receives approximately 54.1 inches of rainfall annually with predominantly clay loam soil. Summer highs average 96ยฐF, so Pole Beans may need afternoon shade and extra watering during peak heat. Clay soil retains moisture well for Pole Beans, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Pole Beans root diseases.

Coahoma County, MS (Zone 8a) Long season
240 days
Last Spring Frost March 16
240 growing days
First Fall Frost November 11

Coahoma County Soil Profile

Soil Type

Clay Loam

Soil pH

5.3-6.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (111 days to spare)
Start indoors: Jan 19 Transplant: Mar 23 🍅 Harvest: May 18 – Jul 13
Recommended (50%) ✓ Fits season (114 days to spare)
Start indoors: Jan 26 Transplant: Mar 30 🍅 Harvest: May 25 – Jul 20
Safe Start (90%) ✓ Fits season (109 days to spare)
Start indoors: Feb 18 Transplant: Apr 22 🍅 Harvest: Jun 17 – Aug 12

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
1.0″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 114 gal / 100 sq ft
Pole Beans needs ~1,375 GDD — county provides 5,280 GDD Excellent fit

Pole Beans Planting Timeline โ€” Coahoma County, MS

Pole Beans Planting Calendar

Activity When Date Range
Start Indoors January 26 Jan 26 โ€“ Feb 9
Transplant Outdoors March 30 Mar 30 โ€“ Apr 13
Direct Sow March 23 Mar 23 โ€“ Apr 13
Harvest May 25 May 25 โ€“ Jul 20

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

Month-by-Month Timeline

MonthActivities
January Start Indoors
February Start Indoors
March Transplant Outdoors Direct Sow
April Transplant Outdoors Direct Sow
May Harvest
June Harvest
July Harvest
August โ€”
September โ€”
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

55โ€“70 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 8a

Growing Season

240 days

Growing Tips for Coahoma County

Provide sturdy 6-8 foot poles, tepees, or trellises. Direct sow after last frost. Pick regularly to encourage continued production. Beans fix nitrogen benefiting following crops.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic
  • Fennel

Level Up Your Garden

Frequently Asked Questions

When should I plant Pole Beans in Coahoma County, MS?

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

What planting zone is Coahoma County, MS?

Coahoma County, Mississippi is in USDA Hardiness Zone 8a. The average last spring frost is March 16 and first fall frost is November 11.

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Get our free Garden Planner โ€” designed to help Coahoma 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 Coahoma County, MS. Local conditions may vary. Last updated: April 2026.