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When to Plant Scarlet Runner Beans in Sumter County, AL

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.

Sumter County, Alabama is in USDA Zone 7b. The average last spring frost is March 21 and the first fall frost is November 8, giving you a growing season of approximately 232 days.

At an elevation of 335 feet, Sumter County receives approximately 56.6 inches of rainfall annually with predominantly clay loam soil. Summer highs average 94Β°F, providing good warmth for Scarlet Runner Beans during the growing season. 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.

Sumter County, AL (Zone 7b) Long season
232 days
Last Spring Frost March 21
232 growing days
First Fall Frost November 8

Sumter 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€” 5" 0" ❄️ Dormant
Feb β€” 5" 0" ❄️ Dormant
Mar 4.3" 5.2" 0" βœ… Rainfall sufficient
Apr 4.3" 4.7" 0" βœ… Rainfall sufficient
May 4.3" 4.6" 0" βœ… Rainfall sufficient
Jun 4.3" 4.9" 0" βœ… Rainfall sufficient
Jul 4.3" 5.2" 0" βœ… Rainfall sufficient
Aug 4.3" 5.9" 0" βœ… Rainfall sufficient
Sep 4.3" 4" 0.3" πŸ’§ Light watering
Oct 4.3" 3.7" 0.6" πŸ’§ Light watering
Nov 4.3" 4" 0.3" πŸ’§ Light watering
Dec β€” 4.5" 0" ❄️ Dormant

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

Scarlet Runner Beans Planting Timeline β€” Sumter County, AL

Scarlet Runner Beans Planting Calendar

Activity When Date Range
Start Indoors January 31 Jan 31 – Feb 14
Transplant Outdoors April 4 Apr 4 – Apr 18
Direct Sow March 28 Mar 28 – Apr 18
Harvest June 6 Jun 6 – Jul 11

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

Month-by-Month Timeline

MonthActivities
January Start Indoors
February Start Indoors
March Direct Sow
April Transplant Outdoors Direct Sow
May β€”
June Harvest
July Harvest
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 7b

πŸ“† Growing Season

232 days in Sumter County

Growing Tips for Sumter 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 Sumter County, AL?

Sumter County is in Zone 7b with an average last frost of March 21. Plan your Scarlet Runner Beans planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Sumter County, AL?

Sumter County, Alabama is in USDA Hardiness Zone 7b. The average last spring frost is March 21 and first fall frost is November 8.

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Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Sumter County gardeners in Zone 7b 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 Sumter County, AL. Local conditions may vary. Last updated: April 2026.