🫘 Runner Bean

Phaseolus coccineus

vegetables legume (perennial grown as annual in most climates)

☀️ Sun

Full sun (6, 8+ hours); runner beans tolerate slightly more shade than pole beans , partial shade in hottest climates extends flowering

💧 Water

Medium; 1 inch per week; consistent moisture critical during flowering and pod set; water at base , wet foliage promotes fungal diseases (rust, powdery mildew); reduce watering when pods mature

🗺️ Zones

3, 4, 5, 6, 7, 8, 9, 10, 11

🧪 Soil pH

6.0, 7.0 (slightly acidic to neutral); beans are sensitive to acidic soil , lime if pH < 6.0

🪴 Soil Type

Rich, well-drained, loamy soil with moderate organic matter; do NOT over-fertilize with nitrogen , beans fix their own; too much nitrogen = all vines, few flowers/pods; add phosphorus and potassium for flowering

🚿 Drainage

Well-drained essential; beans are very sensitive to wet soil , seeds rot in cold, wet conditions

📏 Spacing

Seeds 4, 6 inches apart at base of trellis/pole; rows 3 feet apart; runner beans need a STURDY trellis (6, 8 feet tall) , they're heavier and more vigorous than pole beans

⏱️ Maturity

60-80 days (from seed); perennial in mild climates, annual in temperate

🍴 Edible Parts

🍽️ Pods (young green pods , harvest at 4, 6 inches before seeds bulge; stringy if left too long) 🍽️ Seeds (fresh shelled beans , white, pink, purple speckled; or dried for winter storage) 🍽️ Flowers (scarlet/orange , edible, sweet nectar; hummingbird attractant) 🍽️ Roots (tuberous roots in Zone 8+ , potentially edible, but rarely consumed)

Key:🤝 Grows well together❌ Keep apart☀️ Sun needs💧 Water🗺️ Hardiness zone

🤝 Companions (8)

🤝 Corn (Three Sisters)

Attracts beneficial insects and pollinators

🤝 Marigold (French)

Repels Mexican bean beetles and nematodes; attracts beneficial insects

🤝 Nasturtium

Trap crop for aphids (black bean aphids prefer nasturtiums); repels whiteflies and squash bugs; attracts pollinators IMPORTANT management caveat: without active management, nasturtiums can become a SOURCE of aphids that migrate to nearby crops. Either remove aphid-infested nasturtium plants promptly, or treat the trap crop itself to eliminate the aphid colony before it spreads. Strategic placement within 4-5 feet of protected crops is key.

🤝 Potato (companion)

Beans and potatoes are mutually beneficial , beans repel Colorado potato beetles; potatoes repel Mexican bean beetles; complementary root depths (classic European intercropping)

🤝 Radish

Radishes repel bean beetles; quick crop harvested before beans climb; minimal space competition

🤝 Rosemary/Sage

Repels bean beetles and flea beetles; aromatic oils mask bean scent from pests

🤝 Savory (summer)

'The bean herb' , repels bean beetles and improves bean growth; classic European companion; may enhance flavor

🤝 Squash/Pumpkin (Three Sisters)

Squash provides living mulch/shade suppressing weeds and retaining soil moisture for corn and beans; spiny squash leaves deter raccoons and pests; completes the Three Sisters trio

⚠️ Keep Apart (5)

⚠️ Brassicas (kale, cabbage, broccoli)

Brassica root exudates may inhibit bean growth; beans' nitrogen fixation may cause brassicas to produce excess leaves at expense of heads

⚠️ Fennel

Allelopathic , strongly inhibits bean growth and nitrogen fixation

⚠️ Gladiolus (flower)

Gladiolus and runner beans inhibit each other's growth; avoid in flower/vegetable garden border

⚠️ Onion/Garlic/Allium

Alliums inhibit bean growth , sulfur compounds interfere with bean's nitrogen-fixing rhizobia bacteria; stunted beans and reduced yield

⚠️ Sunflower

Sunflowers are allelopathic to beans , inhibits germination and stunts growth; keep separate

💊 Medicinal Uses

Medicinal Properties

Excellent source of plant-based protein (when shelled/dried) and dietary fiber
Rich in folate, magnesium, potassium, and iron
Contains phaseolamin , a protein that inhibits alpha-amylase (starch digestion), being studied for blood sugar management
Good source of B vitamins, particularly thiamine (B1) and B6
Insoluble fiber supports digestive health and cholesterol reduction

📝 Growing Notes

Runner beans are closely related to but distinct from common pole beans (Phaseolus vulgaris). Key differences: runner beans have showy scarlet/orange/white flowers (hummingbirds LOVE them), are more cold-tolerant (can be planted slightly earlier), are perennial in Zones 7+ (tuberous roots survive mild winters), and have thicker, meatier pods. Flowers are self-fertile but benefit from bee pollination for full pod set. Runner beans prefer COOLER conditions than pole beans , they thrive in UK, Pacific Northwest, and high-altitude gardens where pole beans struggle. In hot climates (>85°F), flower drop is a problem , provide afternoon shade. Soak seeds 2, 4 hours before planting. 'Scarlet Runner' is the classic variety , ornamental AND productive. Excellent for edible landscaping on arbors and teepees.

🛒 Buy Seeds & Plants

Baker Creek Heirloom Seeds Johnny's Selected Seeds Botanical Interests True Leaf Market Burpee Territorial Seed Company

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