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Annual Biennial

Vicia faba 'Bunyard's Exhibition'
  • RHS Plants for pollinators

bean (broad) 'Bunyard's Exhibition'

A reliable cultivar which can be sown in the autumn for harvesting the following spring and summer, or sown in spring for harvesting in the summer. Reaches approximately 80cm in height, needs full sun and plenty of water when pods are setting for a good yield.

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
1 year
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring White Black Green Green
Summer White Black Green Green
Autumn Green
Winter Green
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H4
Botanical details
Family
Fabaceae
Native to GB / Ireland
No
Foliage
Evergreen
Habit
Climbing, Columnar upright
Genus

Vicia are annuals, herbaceous perennials or climbers; leaves may be simple or divided into many small leaflets, often ending in a tendril. The yellow, purple, white or pink, pea-like flowers are produced in small clusters on the stem or in larger, upright sprays

Name status

Unresolved

How to grow

Cultivation

Does best in a sunny, sheltered position with fertile, moist but well-drained soil, though most soils will produce an adequate crop. May be sown in Oct/Nov and protected overwinter with cloches, for an early harvest. Otherwise sow in February in pots in a cold greenhouse or in March/Apr outdoors. Plants may need support. See the RHS A-Z guide to vegetable cultivation for more detailed advice

Propagation

Propagate by seed. See sowing vegetable seeds

Suggested planting locations and garden types
  • Patio and container plants
  • Wildlife gardens
Pruning

Picking off the tips of the shoots can delay and reduce infestation by black bean aphid, and also improve the yield of beans

Pests

May be susceptible to pea and bean weevil and black bean aphid. Stored seed may be susceptible to broad bean seed beetle

Diseases

May be susceptible to broad bean rust and broad bean chocolate spot

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