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When to Plant Scarlet Runner Beans in Adams County, MS

Scarlet runner beans are ornamental and edible climbing beans with vivid red flowers that attract hummingbirds. Both the young pods and mature beans are edible.

Adams County, Mississippi is in USDA Zone 8a. The average last spring frost is March 10 and the first fall frost is November 12, giving you a growing season of approximately 247 days.

At an elevation of 458 feet, Adams County receives approximately 54.1 inches of rainfall annually with predominantly clay loam soil. Summer highs average 97Β°F, so Scarlet Runner Beans may need afternoon shade and extra watering during peak heat. Clay soil retains moisture well for Scarlet Runner Beans, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Scarlet Runner Beans root diseases.

Adams County, MS (Zone 8a) Long season
247 days
Last Spring Frost March 10
247 growing days
First Fall Frost November 12

Adams County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.2

Drainage

Well Drained

Monthly Watering Guide for Scarlet Runner Beans

Scarlet Runner 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 Scarlet Runner Beans Needs Rainfall You Supplement Action
Jan β€” 4.5" 0" ❄️ Dormant
Feb β€” 4.1" 0" ❄️ Dormant
Mar 4.3" 4.8" 0" βœ… Rainfall sufficient
Apr 4.3" 3.7" 0.6" πŸ’§ Light watering
May 4.3" 4.7" 0" βœ… Rainfall sufficient
Jun 4.3" 5" 0" βœ… Rainfall sufficient
Jul 4.3" 5.7" 0" βœ… Rainfall sufficient
Aug 4.3" 5.5" 0" βœ… Rainfall sufficient
Sep 4.3" 3.8" 0.5" πŸ’§ Light watering
Oct 4.3" 3.8" 0.5" πŸ’§ Light watering
Nov 4.3" 4" 0.3" πŸ’§ Light watering
Dec β€” 4.4" 0" ❄️ Dormant

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

Scarlet Runner Beans Planting Timeline β€” Adams County, MS

Scarlet Runner Beans Planting Calendar

Activity When Date Range
Start Indoors January 20 Jan 20 – Feb 3
Transplant Outdoors March 24 Mar 24 – Apr 7
Direct Sow March 17 Mar 17 – Apr 7
Harvest May 26 May 26 – Jun 30

Plant 1" deep Β· 15" apart Β· 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 β€”
August β€”
September β€”
October β€”
November β€”
December β€”

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

60–80 days

πŸ§ͺ Soil pH

Needs 6–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 8a

πŸ“† Growing Season

247 days in Adams County

Growing Tips for Adams County

Provide tall trellising for vigorous vines. Direct sow after frost. Harvest pods young for snap beans or let mature for shelling beans. Tubers are perennial in mild climates.

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 Scarlet Runner Beans in Adams County, MS?

Adams County is in Zone 8a with an average last frost of March 10. Plan your Scarlet Runner Beans planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Adams County, MS?

Adams County, Mississippi is in USDA Hardiness Zone 8a. The average last spring frost is March 10 and first fall frost is November 12.

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Plan Your Garden with Confidence

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