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Alnus glutinosa ‘Imperialis’

Alder

Garden

Wishlist

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Features

  • Blooms & FruitsApril & October
  • Height5m to 10m
  • Spread5m to 9m
  • Growth HabitUpright weeping
  • Flower ColourPurple-brown
  • Leaf ColourDark green
  • AwardsRHS Garden Merit

Description

Alnus glutinosa ‘Imperialis’ (Alder). A slow-growing tree with a graceful, conical habit with deeply cut, lobed leaves. The catkins are purple-brown.

Characteristics

Woody perennial, Deciduous, Tree

Other common names

Common alder, European alder

Origin

Europe, North Africa, Asia and North America

Interest and use

Ornamental, land reclamation

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Needs

  • LightFull sun
  • HardinessFully hardy (min -15°C)
  • SoilClay, Loamy, Chalky
  • Soil pH5.0 to 7.0
  • WaterMoist or Wet

Cultivation

Can tolerate poor soil and wet conditions.

Propagation

By hardwood cuttings

Pests, diseases or disorders

Alder sucker, leaf-mining sawflies

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