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Cytisus × praecox 'Warminster' AGM

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© RHS 2002

Characteristics

Plant type

Shrub

Habit

Bushy

Toxicity

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

Resilience

Hardiness

H5 (hardy - cold winter)

Colour

Flower

Cream and Yellow in Spring

Foliage

Green in Autumn, Spring and Summer

Size

Ultimate height

1-1.5 metres

Ultimate spread

1-1.5 metres

Time to ultimate height

2-5 years


Preferred common name

Warminster 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

'Warminster' is a bushy small deciduous shrub with small, mostly simple leaves and pale creamy-yellow flowers in great abundance in late spring

How to grow

Sunlight

  • Full sun

Aspect

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

Cultivation

Best grown in well-drained, poor acid soils in full sun. Tolerant of lime but may become chlorotic on shallow chalk soils. Plant when young; brooms resent transplanting

Soil

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

Propagation

Propagate by semi-ripe cuttings in late summer

Suggested planting locations and garden types

Cottage/Informal Garden, Drought Resistant, Coastal, Flower borders and beds or Gravel Garden


How to care

Pruning

Pruning group 1 or pruning group 3, but do not cut into old wood

Pests

Broom gall mites may be a problem

Diseases

Can be affected by honey fungus and waterlogging