Not the plant you're looking for? Search over 300,000 plants
Climber Wall ShrubFruit Edible

Phaseolus coccineus 'Polestar'

bean (runner) 'Polestar'

A twining climber reaching 3m with green leaves. Scarlet flowers develop into medium-lehgth, fleshy runner beans. In the UK it is grown as a summer annual, lasting only one year.

Join the RHS

Become an RHS Member today and save 25% on your first year

Join now
Buy this plant
Size
Ultimate height
2.5–4 metres
Time to ultimate height
1 year
Ultimate spread
1–1.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Red Orange Green Green
Autumn Red Orange Green Green
Winter
Position
  • Full sun
Aspect

East–facing or South–facing or West–facing

Exposure
Sheltered
Hardiness
H2
Botanical details
Family
Fabaceae
Native to the UK
No
Foliage
Deciduous
Habit
Climbing
Potentially harmful
Raw pods/beans harmful if eaten. Wear gloves and other protective equipment when handling
Genus

Phaseolus are annual or perennial legumes, usually climbing or trailing in form, and with trifoliate leaves. Grown as crop plants for their edible seeds, including runner, French and lima beans, as well as for animal feed, green manures and as ornamentals

Name status

Accepted

How to grow

Cultivation

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

Propagation

Propagate by seed. See sowing vegetable seeds

Suggested planting locations and garden types
  • Cottage and informal garden
  • Wildlife gardens
  • Climber and wall shrubs
  • Edible fruit
Pruning

No pruning required

Pests

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

Diseases

May be susceptible to a rust and halo blight

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.