Scarlet runner (Phaseolus coccineus)

Scarlet runner

Also known as: Runner bean, Dutch case-knife bean, Multiflora bean

The scarlet runner plant makes for a beautiful display with its lush green leaves with bright red flowers. The beans that grow in the scarlet runner can be cooked and eaten, and they provide fiber, protein, and potassium.

Scientific classification

Species

Scarlet runner (Phaseolus coccineus)

Legumes, milkworts and allies

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Annual, Perennial

Lifespan

Herb, Vine

Plant Type

Green, Blue

Leaf Color

2.5 cm

Flower Size

Green

Fruit Color

Red, Orange

Flower Color

Deciduous

Leaf type

20 - 38 ℃

Ideal Temperature

Summer

Growth Season

Rapid

Growth Rate

Images of Scarlet runner

Distribution of Scarlet runner

Distribution Map

Scarlet runner is native to Central America, where it thrives in a variety of warm environments. Its cultivation has led to its introduction across continents such as Asia, Africa, Europe, and Oceania, with scarlet runner adapting successfully to temperate and tropical regions within these areas. The plant's ability to establish in diverse climates underscores its versatility beyond its original habitat.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Mixed forests, Grassy areas

Hemisphere Trend Curve

Northern

Sorthern

Culture

Symbolism

Protection, Exorcism, Wart charming

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Cultivars

There are several recognized cultivars of Scarlet runner, including the following common varieties :

Scarlet runner 'White Lady'Scarlet runner 'Stardust'Scarlet runner 'Scarlet Emperor'

Toxicity

Scarlet runner harbors phytohaemagglutinin, causing toxicity leading to nausea, vomiting, and diarrhea in people who consume its raw or undercooked fruit. Cats and dogs also risk vomiting, diarrhea, and pain from fruit ingestion. Immediate veterinary care is crucial for pets. Precaution is essential to prevent accidental poisoning.

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Quickly Identify Scarlet runner

Vibrant red flowers in raceme clusters, distinctive bean-shaped corolla with keel and wings.

Trifoliate leaves with oval leaflets, 2-6 inches (5-15 cm) long, twining tendrils support long vines.

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Care Guide for Scarlet runner

Every week

Water

Full sun

Sunlight

20 - 38 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Native to higher altitudes in warmer regions, scarlet runner thrives with consistent moisture. It prefers weekly watering but tolerates brief dryness. Best grown outdoors for its climbing nature and ornamental flowers, scarlet runner benefits from rainwater during the growing season to maintain lush foliage and vibrant blooms.

Fertilize: For optimal growth, scarlet runner requires high-phosphorus fertilizer at planting to promote root development and balanced nutrition monthly during the growing season. Switch to potassium-rich formula during flowering/fruiting. Water thoroughly post-fertilization and reduce feeding in winter to avoid over-fertilizing.

Pruning: Scarlet runner is known for its vibrant scarlet flowers and vigorous growth. Selective pruning in early to late spring removes dead or overcrowded stems, enhancing airflow and sunlight penetration. This promotes healthier growth, manages its vining habit, and ensures robust blooms and overall vitality.

Propagation: Scarlet runner propagates effectively from fresh seeds sown in well-draining soil. Choose a sunny location, safeguard seedlings from pests, and maintain regular watering for robust growth. Starting indoors can enhance strength, though direct outdoor sowing is viable when conditions are stable.

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