Cyni Broom

Cytisus nigricans

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Cyni Broom (Cytisus nigricans) at Green Haven Garden Centre

Cyni Broom in bloom

Cyni Broom in bloom

(Photo courtesy of NetPS Plant Finder)

Height:  4 feet

Spread:  3 feet

Sunlight:  full sun 

Hardiness Zone:  4

Other Names:  False Heather, Scotch Broom


Better known in European gardens than in North America, this compact shrub deserves to be more used here; this rounded shrub has spikes of radiant golden flowers protruding from the branches in late summer when few other shrubs are in bloom

Ornamental Features

Cyni Broom is clothed in stunning spikes of gold pea-like flowers rising above the foliage from late summer to early fall. It has emerald green foliage throughout the season. The small compound leaves do not develop any appreciable fall colour. The fruit is not ornamentally significant. The smooth bark and lime green branches add an interesting dimension to the landscape.

Landscape Attributes

Cyni Broom is an open multi-stemmed deciduous shrub with a more or less rounded form. Its relatively fine texture sets it apart from other landscape plants with less refined foliage.

This is a high maintenance shrub that will require regular care and upkeep, and is best pruned in late winter once the threat of extreme cold has passed. Deer don't particularly care for this plant and will usually leave it alone in favor of tastier treats. It has no significant negative characteristics.

Cyni Broom is recommended for the following landscape applications;

  • Mass Planting
  • General Garden Use
  • Groundcover

Planting & Growing

Cyni Broom will grow to be about 4 feet tall at maturity, with a spread of 3 feet. It tends to fill out right to the ground and therefore doesn't necessarily require facer plants in front. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 15 years.

This shrub should only be grown in full sunlight. It prefers dry to average moisture levels with very well-drained soil, and will often die in standing water. It is particular about its soil conditions, with a strong preference for clay, alkaline soils. It is highly tolerant of urban pollution and will even thrive in inner city environments, and will benefit from being planted in a relatively sheltered location. This species is not originally from North America.

Hardiness Zone Plant Height Minimum Sunlight Soil pH Preference
Massing  Garden  Groundcover 
Flowers  Texture  Bark  Winter Value 
Ornamental Features