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Cytisus × kewensis AGM

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© RHS 1999

Characteristics

Plant type

Shrub

Habit

Mat forming

Toxicity

All parts, especially the seeds, may cause mild stomach upset if ingested

Resilience

Hardiness

H5 (hardy - cold winter)

Colour

Flower

Cream in Spring

Foliage

Dark Green in Autumn, Spring and Summer

Size

Ultimate height

0.1-0.5 metres

Ultimate spread

1-1.5 metres

Time to ultimate height

5-10 years


Preferred common name

Kew broom

Family

Papilionaceae


Cytisus can be deciduous or evergreen shrubs, ranging from prostrate to erect and almost tree-like, with small, simple or 3-parted leaves and pea-like flowers spring or summer

C. x kewensis is a small, prostrate deciduous shrub with arching branches. Leaves small, trifoliate; flowers cream in late spring

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing or West-facing
  • Sheltered or Exposed

Cultivation

Grow in moderately fertile well-drained soil in full sun. Will thrive in poor acid soil, and although lime-tolerant may become chlorotic on shallow chalk soils. Plant when small, they resent transplanting

Soil

  • Well-drained
  • Acid or Neutral
  • Sand or Loam

Propagation

Root semi-ripe cuttings in late summer or early autumn and hardwood cuttings in midwinter

Suggested planting locations and garden types

Banks and Slopes, City/Courtyard Gardens, Coastal, Cottage/Informal Garden, Flower borders and beds, Gravel Garden or Rock Garden


How to care

Pruning

Minimal pruning required but pruning group 1 or pruning group 3 if necessary. Do not cut into old wood

Pests

Gall mites may be a problem

Diseases

Generally trouble free