ALNUS glutinosa

Commonly known as Black alder, Common alder

Yellow catkins in March, suitable as a windbreak especially in waterlogged areas
Further Reading....
  • Deciduous
    Dark-green leaves to 10cm (4in) long, sticky when young.
  • Yellow
  • Height
    25m (80ft)
  • Spread
    10m (30ft)
  • Tree
    Yellow-brown male catkins 10cm (4in) long in groups of 3-5. Fruit, 2.5cm (1in) long in summer.
  • Hardy - very cold winter
    Hardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F)
  • Full sun

ALNUS glutinosa

 
Gift Wrapping available on this plant - UK Delivery Only
individually £9.00 each , 10+ £9.00 each 
  • Additional Features
    Good to know
    The native alder. Wildlife plant - birds. Lasts indefinitely underwater. Makes good charcoal. Produced superior gunpowder. Was coppiced widely in north-east UK for clogs.
    Pests & Diseases
    Phytophthora root rot.
    Place of origin
    Europe, northern Africa, western Asia.
    Resistant to honey fungus
    These plants have little or few problems with honey fungus.
  • Garden Location/Conditions
    Coastal / windswept
    Tolerant of full exposure to sea winds
  • 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
    Spring
    Winter
  • Soil Conditions
    Fertile well drained soil
  • Tree Shape
    Broadly conical
  • Wildlife
    Rabbit Resistant
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
25m (80ft)
tree - guide for size not form Average Person
  10m (30ft)
 

Share this page

Twitter Facebook Digg
Visit the Caerhays Castle website
Order the 2022 Burncoose Catalogue
Payment methods accepted
watch us on you tube
Visit Burncoose House - Holiday Accommodation
Burncoose Nurseries: Gwennap, Redruth, Cornwall TR16 6BJ
Telephone: +44 (0) 1209 860316 Email: info@burncoose.co.uk
© Burncoose Nurseries 1997 - 2022      Website by Forgecom
All plant pictures are copyright © Burncoose Nurseries unless otherwise stated.
No rights are given to download any of our pictures and use them (for personal or professional use) without our consent.