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Warm 08 Runner Beans

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Warm 08 Runner Beans

layout: base.njk title: "Runner Beans" plantName: "Phaseolus coccineus" category: "Warm Season Crops" description: "Growing guide for Runner Beans in West Virginia Zone 6b/7a" tags: planting-guide

Type: Annual (perennial in tropics)
Family: Fabaceae (Legume)
Sun: Full sun (6-8+ hours)
Water: Moderate to High (1-2" per week)
Soil pH: 6.0-6.5
Hardiness: Annual (frost-tender; tuberous roots perennial in zones 9+)

📅 Planting Calendar (WV Zone 6b/7a)

Method Timing Notes
Start indoors April 15 - May 1 3-4 weeks before last frost in biodegradable pots (transplant poorly)
Direct sow May 15 - June 15 After soil >60°F; cooler soil tolerance than common beans
Transplant May 20 - June 1 With care; use biodegradable pots to minimize root disturbance
Days to maturity 70-80 days From direct sow
Harvest window July 25 - October 15 Later than common beans; continues until frost

🌱 Expected Yield

  • Per plant: 1-3 lbs (varies with harvest frequency)
  • Per 10' row: 15-25 lbs (6-8 plants on trellis)
  • Notes: Runner beans are vigorous growers (8-12 feet) and very productive. Harvest young pods (before fibers develop) for best quality. Older pods become stringy but beans inside can be shelled. Tubers can be dug and stored indoors over winter for replanting.

🌿 Growing Conditions

Soil

Rich, moisture-retentive soil with good drainage. Runner beans prefer heavier, cooler soil than common beans. They tolerate clay better than Phaseolus vulgaris. Add generous compost before planting. Soil should remain consistently moist but not waterlogged.

Fertilizer

  • Pre-plant: Generous compost + balanced 5-10-10
  • At planting: Inoculant specific to Phaseolus coccineus (different from common bean rhizobia)
  • Side-dress: When flowering begins, use compost tea or low-N fertilizer
  • Avoid: Excess nitrogen (promotes foliage over flowers)
  • Note: Runner beans are heavier feeders than common beans

Companions

  • Good: Corn, potatoes, celery, cucumbers, summer savory, marigolds, nasturtiums
  • Avoid: Onions, garlic, fennel, sunflowers
  • Special: Excellent pollinator plant—flowers attract hummingbirds, bees, butterflies

Pests

  • Aphids: Common on new growth; blast with water; insecticidal soap
  • Slugs/snails: Particularly troublesome on runner beans; hand-pick; beer traps; diatomaceous earth
  • Japanese beetles: Hand-pick; neem oil
  • Seed corn maggot: Delay planting until soil warm
  • Note: Generally fewer pest problems than common beans

Diseases

  • Anthracnose: More resistant than common beans; improve air circulation if occurs
  • Halo blight: Less susceptible than common beans; rotate 2-3 years
  • Root rot: In poorly drained soil; improve drainage
  • Mosaic virus: Rare; control aphids; remove infected plants
  • Prevention: Good air circulation; avoid overhead watering; rotate annually

Support

  • Trellising required: Vigorous vines 8-12 feet tall
  • Options: Tall teepees (8-10 foot poles), sturdy string trellis, cattle panel arches, permanent structures
  • Spacing: 6-9" between seeds; 36-48" between rows
  • Training: Wrap young vines counterclockwise around support
  • Note: Flowers (and thus pods) form on lateral shoots from main vine; pinching growing tip encourages branching

🏺 Heirloom Varieties

'Scarlet Runner' (Standard)

  • Source: Baker Creek (rareseeds.com), Seed Savers Exchange (seedsavers.org), Southern Exposure (southernexposure.com)
  • Days: 75 days
  • Notes: Most common variety. Brilliant scarlet-red flowers. Mottled mahogany-black beans. Young pods edible; mature beans for shelling. Attracts hummingbirds. Perennial roots in zones 9+. Beautiful ornamental.

'White Runner'

  • Source: Baker Creek, Seed Savers Exchange
  • Days: 75 days
  • Notes: Pure white flowers. Cream-white beans with slight mottling. Milder flavor than scarlet type. Elegant appearance. Less common than red-flowered form.

'Sunbright'

  • Source: Baker Creek, Johnny's Seeds (johnnyseeds.com)
  • Days: 70 days
  • Notes: Orange-salmon flowers. Unique warm color. Cream beans with orange speckles. Good fresh or dried. Vigorous vines. Less common, striking.

'Hammond's Scarlet'

  • Source: Seed Savers Exchange, Baker Creek
  • Days: 75 days
  • Notes: Selected strain of Scarlet Runner. Larger seed, more flowers. Deep scarlet blooms. Reliable producer. Named for collector.

'Painted Lady'

  • Source: Baker Creek, Southern Exposure
  • Days: 75 days
  • Notes: Bicolor flowers—scarlet and white. Stunning display. Mottled beans. Ornamental价值和 edible. Victorian garden favorite. Beautiful on trellis.

'Carne' (Flesh-Colored)

  • Source: Baker Creek, European seed exchanges
  • Days: 75 days
  • Notes: Pale pink flowers. Light-colored beans. Mild, sweet flavor. Italian heirloom. Used fresh and dried. Less common in America.

'Black Russian'

  • Source: Baker Creek, Seed Savers Exchange
  • Days: 75 days
  • Notes: Deep burgundy-red flowers, nearly black. Dark beans. Dramatic appearance. Vigorous vines. Russian heritage. Ornamental value.

'Dutch Case Knifework'

  • Source: Seed Savers Exchange, Baker Creek
  • Days: 70 days
  • Notes: White flowers. Flat, broad pods—excellent for fresh eating. Stringless when young. Dutch heirloom. Prolific producer.

'St. George'

  • Source: Baker Creek, Southern Exposure
  • Days: 75 days
  • Notes: Red flowers with white wings. Striking bicolor. Good pod production. Named for patron saint. Vigorous.

'Lady Di'

  • Source: Baker Creek, specialty seed companies
  • Days: 75 days
  • Notes: Named for Princess Diana. Pink and white flowers. Cream beans. Elegant appearance. Good flavor. Modern heirloom.

'Goliath'

  • Source: Baker Creek, Seed Savers Exchange
  • Days: 70 days
  • Notes: Extra-large pods. Red flowers. Vigorous vines to 12 feet. High yield. German heirloom. Excellent for fresh eating.

'Alabaster'

  • Source: Baker Creek, specialty heirloom companies
  • Days: 75 days
  • Notes: Pure white flowers, larger than typical. White beans. Clean, elegant appearance. Rare variety. Good yield.

📜 Cultural History & Domestication

Domesticated: Runner beans (Phaseolus coccineus) were domesticated in the highlands of Central America and southern Mexico, likely in Guatemala and Chiapas, at higher elevations than common beans. Domestication occurred by 2000 BCE, though wild populations exist at elevations up to 9,000 feet. Runner beans are adapted to cooler climates than common beans, which shaped their spread.

Archaeological Evidence: Runner bean remains have been found in highland Mexican sites dating to 2000 BCE. The cooler, mountainous origin explains runner beans' greater cold tolerance compared to common beans. Unlike common beans, runner beans were not widely adopted by lowland civilizations like the Aztecs, remaining primarily a highland crop.

Historical Record: The Maya cultivated runner beans in highland regions. However, runner beans never achieved the prominence of common beans (Phaseolus vulgaris) in pre-Columbian agriculture. Spanish chroniclers noted runner beans in highland markets but mentioned them less frequently than common beans.

Introduction to Europe: Runner beans arrived in Europe around 1630, brought from the Americas by Spanish explorers. They were initially grown as ornamentals—the spectacular red flowers impressed European gardeners. By the mid-1600s, runner beans were featured in English botanical gardens.

The English embraced runner beans more than continental Europeans. By the 1700s, runner beans were common in English cottage gardens, valued for both ornamental flowers and edible pods. They became a staple of British vegetable gardens, more so than in their native Americas.

Cultural Significance in Europe: Runner beans became quintessentially British. Victorian gardeners prized them for covering arbors, fences, and summerhouses. The combination of beautiful flowers and useful harvest embodied Victorian ideals of beauty and utility.

Runner beans featured prominently in British food culture. "Runner beans for dinner" became a cultural refrain. They were exhibited at agricultural shows, with competitions for longest pods, most beautiful flowers, and best flavor. Varieties were named for royalty and nobility.

Perennial Nature: In their native highland habitats and in mild climates (zones 9+), runner beans are perennials. They develop large, tuberous roots that survive winter and resprout in spring. This perennial habit was known to indigenous cultivators but is less relevant in cold winter regions.

In England, gardeners discovered they could dig tubers before frost, store them in sand in cool cellars over winter, and replant in spring. This practice ensured variety preservation and earlier starts. The practice continues among heirloom gardeners.

North American Presence: Despite originating in the Americas, runner beans became less common in North American gardens than in Europe. They were known to colonial gardeners and featured in 19th-century seed catalogs. However, they never achieved the popularity of common beans.

Runner beans found a niche in Appalachian and mountain gardens, where cooler summers better suit their preferences. They were grown on tall teepees and valued for attracting hummingbirds. Some varieties were preserved through Seed Savers Exchange.

Modern Revival: The heirloom seed movement and interest in pollinator gardening has renewed appreciation for runner beans. Gardeners value them for: - Ornamental beauty (flowers, vigorous growth) - Pollinator attraction (hummingbirds, bees, butterflies) - Late-season harvest (extends bean season) - Cooler climate adaptation (better than common beans in some areas) - Dual purpose (ornamental + edible)

Runner beans represent a crop that achieved greater prominence abroad than in its homeland—a botanical ambassador that found new home in European gardens.

Indigenous Uses: Highland peoples of Central America used runner beans for food and medicine. The beans were eaten fresh and dried. Medicinal uses included treatments for digestive issues. The perennial root system was sometimes harvested as a starchy food source.

🌾 Seed Saving

Method: 1. Choose healthy, vigorous plants with desirable traits 2. Leave pods on plants until fully mature—pods turn brown, dry, and papery 3. Harvest dry pods before rain (can cause molding) 4. Spread pods in dry, ventilated area; cure 1-2 weeks 5. Shell beans by hand; pods should be brittle 6. Winnow to remove debris—pour beans between bowls in light breeze 7. Ensure beans completely dry (test by biting—should be hard) 8. Store in glass jars or paper envelopes in cool, dry, dark place 9. Add desiccant if humidity high

Note: Runner bean seeds are larger and flatter than common bean seeds.

Isolation Distance: - Cross-pollinating: Runner beans are primarily CROSS-pollinated by bees and hummingbirds (unlike self-pollinating common beans) - Minimum: 300-500 feet between varieties - For seed sale: 1/2 mile isolation or cage flowers - Critical: Different species from common beans (P. coccineus vs. P. vulgaris)—no crossing between species

Viability: 3-5 years under proper storage. Germination declines after year 3.

Special Notes: - Save from 10-20 plants for genetic diversity (critical due to cross-pollination) - Select for flower color, pod quality, flavor, earliness, vigor - Can save tuberous roots in fall for replanting (dig after frost kills vines, store in sand in cool place) - Only save from healthy plants - For ornamental varieties, select for flower color and abundance - For eating varieties, select for pod quality and flavor

📖 Sources Consulted

  1. Beans: A History — Ken Albala (Berg, 2007)
  2. Heirloom Vegetable Gardening — William Woys Weaver (Rodale, 2017)
  3. The Heirloom Life Gardener — Jere and Jill Gettle (Artisan, 2021)
  4. Seed Savers Exchange Yearbook (2020-2025 editions)
  5. Baker Creek Heirloom Seeds Catalog (2025)
  6. Southern Exposure Seed Exchange Catalog (2025)
  7. WVU Extension Service: Runner Beans (2024)
  8. ATTRA Sustainable Agriculture: Legumes (NCAT, 2023)
  9. The British Garden: A Celebration of Horticultural Heritage — James Underwood (Thames & Hudson, 2020)
  10. Native Plants of the Southwest — Howard Garrett (Texas A&M Press, 2019)

Added to WV Planting Guide 26155 — The Loop Farmstead