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Alnus glutinosa 'Imperialis'
  • Alnus glutinosa 'Imperialis'
  • Alnus glutinosa 'Imperialis'
  • Alnus glutinosa 'Imperialis'

Alnus glutinosa 'Imperialis'


(Cut-leaf Alder) Alnus glutinosa 'Imperialis' is a slow growing and narrow small tree with deeply cut, sea-green leaves a little similar in appearance to those of a maple. 

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Slow growing and unusual, slender small tree with filigree-like, deeply cut, sea-green leaves a little similar in appearance to those of a maple. The leaves are exceptionally pretty and elegant and once established this Alder has an attractive, vaguely oriental appearance.

Alnus glutinosa 'Imperialis'   is a classic plant for damp sites and particularly ornamental when planted next to a pond or stream!

  • Position: Full sun or partial shade.
  • Soil: Any fertile soil. Alnus glutinosa 'Imperialis' will tolerate wet conditions or dry soils
  • Hardiness: Hardy.
  • Rate of Growth: Moderate.
  • Habit: Alnus glutinosa 'Imperialis'  grows to be a small tree with a narrow crown.
    • Height: up to 8 m (26 ft)
    • Spread: 4 m (13 ft)
  • Notes: A specimen of Alnus glutinosa 'Imperialis', planted in the arboretum surrounding our nursery reached a height of 3.5 m, a spread of 2 m after 12 years. In our experience, this selection is more slow growing than other Alnus listed here and is therefore a better choice for small gardens.

Data sheet

How Much Sun
Full Sun, Light Shade
Eventual Size
Tree - Small
Growing Conditions
Soil: Damp/Wet, Soil: Not Fussy
Special Features
Honey Fungus Resistant, Habit - Narrow, Foliage - Unusual Shape

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