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Cytisus nigricans 'Cyni'
  • RHS AGM

black-rooted broom 'Cyni'

'Cyni' is a compact, upright deciduous shrub, to 1m high, with leaves of three leaflets, dark green above and pale green beneath. A profusion of long, slender terminal spikes of scented yellow flowers appear in summer, later than is typical for this genus

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
5–10 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Yellow Green
Autumn Green
Winter
Position
  • Full sun
Aspect

West–facing or East–facing or South–facing

Exposure
Sheltered
Drought resistance
Yes
Hardiness
H5
Botanical details
Family
Fabaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Genus

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

Name status

Accepted

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How to grow

Cultivation

Plant young plants in full sun in well-drained soil; grows better in poor soils rather than rich soils

Propagation

Propagate by heeled semi-ripe cuttings of lateral shoots in summer

Suggested planting locations and garden types
  • Cottage and informal garden
  • Low Maintenance
  • Flower borders and beds
Pruning

Little or no pruning required ( Pruning group 1) but can be cut back in spring to keep it compact, and deadheaded after flowering to encourage further flower spikes

Pests

May be affected by broom gall mites

Diseases

May be affected by honey fungus

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