ALNUS cordata

Commonly known as Italian alder

Conical-shaped tree with bright green glossy leaves
Further Reading....

ALNUS cordata

Available Early Spring 2022 - Spring according to the Met office is defined as March 1st - May 31st. Therefore early spring is early March to mid-April. This is not a guaranteed date but an estimate and subject to availability.
individually £8.50 each , 10+ £8.00 each 
Delivery Information Available Early Spring 2022
plant size comparison icon 2 to 3 Litre
  • Deciduous
    heart-shaped at the bottom, to 10cm (4in) long.
  • Height
    25m (80ft)
  • Spread
    6m (20ft)
  • Tree
    Male catkins to 8cm (3in) long in groups of 3-6 are yellow-brown and open before the leaves. Ovoid fruits,2-3cm (¾ to 1¼in) long, in summer.
  • Hardy - cold winter Hardy in most places throughout the UK even in severe winters. May not withstand open/exposed sites or central/northern locations. Plant can withstand temperatures down to -15°C (5°F)
  • Full sun
  • Additional Features
    Good to know - a useful tree for a windbreak
  • Pests & Diseases
    Phytophthora root rot
  • Place of origin
    Corsica, southern Italy.
  • Resistant to honey fungus - These plants have little or few problems with honey fungus.
  • Hardiness
    Fully hardy
  • Leaf margin
    Denticulate see photos above
  • Leaf shape
    Ovate see photos above
  • Pruning group
    Pruning group 1
    Suitable for: Deciduous and evergreen trees, and some deciduous shrubs.
    Pruning: Minimal pruning required. Prune wayward or crossing branches to maintain a healthy framework.
    When: When dormant in the late winter/early spring. Some in the summer/autumn to prevent bleeding of sap.

    RHS group 1
  • Seasonal Interest
  • Winter
  • Soil Conditions
    Fertile well drained soil - tolerates dryer soils.
  • Tree Shape
    Broadly conical
  • Wildlife
    Rabbit Resistant
25m (80ft)
tree - guide for size not form Average Person
  6m (20ft)

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