Aztec bean

Also known as: butterfly runner; Dutch case-knife bean; fire bean; multiflora bean; runner bean; scarlet runner bean; scarlet runner

This is the species from which all our runner beans have been bred. It is a green-leaved twining climber reaching 3m with scarlet flowers (occasionally white) which develop into long, flat edible pods. In the UK it is grown as a summer annual, lasting only one year

Aztec bean

Scientific classification

Species
Aztec bean (Phaseolus coccineus)
Genus
Phaseolus
Family
Fabaceae
Raw pods/beans harmful if eaten. Wear gloves and other protective equipment when handling
Toxicity
Climber Wall Shrub · Fruit Edible
Plant type
2.5-4 metres
Height
1-1.5 metres
Spread
Deciduous
Foliage
Climbing
Habit
Spring · Summer · Autumn
Season of interest
Full sun
Sunlight
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Ideal temperature

Aztec bean pictures

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Distribution of Aztec bean

Distribution map

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Culture

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Toxicity

Raw pods/beans harmful if eaten. Wear gloves and other protective equipment when handling

Quick identification of Aztec bean

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Aztec bean care guide

Keep soil consistently moist for steady leafy growth without drought stress
Watering
Full sun
Sunlight
Information to be completed
Ideal temperature

Watering

Keep soil consistently moist for steady leafy growth without drought stress

Fertilizing

Nitrogen-rich vegetable feed every two to three weeks in active growth

Pruning

No pruning required

Propagation

Propagate by seed. See sowing vegetable seeds

Growing

Grow up support in moisture-retentive soil which is close to a neutral pH, in full sun. For more advice see runner-bean cultivation

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Common pests and diseases

Diseases

May be susceptible to a rust and halo blight

Pests

May be susceptible to black bean aphids. Young plants also need protection from slugs and snails

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