Black Broom

Cytisus nigricans | Also known as: Spike Broom, Cytisus nigrescens, Lembotropis nigricans | Rating: 0 votes | Print / Pdf

Black Broom – the perfect choice for witches

If you’re looking for a plant that will provide you with a multitude of delicate blooms throughout the summer, then look no further than Cytisus nigricans. Also known as Black Broom it has wonderful, deep yellow blooms. It needs full sunlight for the best growth and flowering, and once planted is not very keen on being moved or transported. A great choice for a cottage garden, it’s easy to grow and needs little on-going maintenance.

Rate it:
Known dangers?
  • yes
Dangers: comments
  • Avoid eating this plant, or risk having mild stomach upset.
Height [m]
  • 1.5
Spread [m]
  • 1
Dominant flower colour
  • Yellow
Flower Fragrance
  • No, neutral please
Flowering seasons
  • Late summer
Foliage in spring
  • Green
Foliage in summer
  • Green
Foliage in Autumn
  • Green
Propagation methods
  • semi-ripe cuttings
  • seed
  • Hardwood cuttings
Growth habit
  • Erect
  • Acidic
Hardiness zone
  • Z6-8
Heat zone
  • H8-6
Winter temperatures [°C]
  • -23 - -7
Heat days
  • 45 - 120
  • well-drained
Soil type
  • sandy
  • loams
Sun requirements
  • Full sun
  • Exposed
  • Sheltered
Standard category
  • Trees & shrubs
  • Shrubs
Grown for
  • Attractive Flowers
Creative category
  • For Beginners
  • Colours
Garden spaces
  • Borders
Gardening expertise
  • beginner
Time to reach full size
  • up to 20 years