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Alnus cordata

Italian alder

Garden

Wishlist

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Features

  • Blooms & FruitsFebruary & September
  • Height11m to 25m
  • Spread6m to 6.5m
  • Growth HabitBroad conical
  • Flower ColourYellow brown
  • Leaf ColourGlossy deep green
  • AwardsRHS Garden Merit

Description

Alnus cordata (Italian alder). This species of tree is columnar and has dense foliage with short side branches. The leaves are heart shaped and about 10cm long and they are a rich glossy green above and a lighter green beneath. In late winter or early spring this tree will produce yellowish male catkins about 9cm long at the branch tips; they are followed by 2.5cm long seed cones.

Also known as Alnus cordifolia.

Characteristics

Woody perennial, Deciduous, Tree

Other common names

Alder

Origin

Italy, Corsica

Interest and use

Hedging and banks

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Needs

  • LightPart shade
  • HardinessFully hardy (min -15°C)
  • SoilClay, Poor quality, Chalky
  • WaterMoist

Cultivation

This tree will adapt well to most situations and soils but does best near water.

Propagation

By seed or by hardwood cuttings.

Pests, diseases or disorders

Root rot.

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