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A picture of a Alder


Alnus spp.

Photo by eidelweiss (All rights reserved)

Partial Shade
Moderate watering
Frost Hardy


USDA zone


Minimum temperature

Expected size





  • spring
  • summer
  • autumn
  • winter

More images of Alder

A photo of Alder
A photo of Alder
A photo of Alder
A photo of Alder
A photo of Alder

Alder Overview

Commonly called alders, this genus contains approximately 44 species of deciduous shrubs and trees. They are distributed throughout Northern temperate regions, with some species in Central America and the Northern and Southern fringes of the Andes. Flowers are arranged in catkins and these are edible in some species. They are usually found near rivers, streams or wetlands and multiple hybrid species exist.

Common problems with Alder

How to propagate Alder


Propagate species by seed in autumn.


Cultivators by budding in late summer.


Hardwood cuttings in early winter.

Other uses of Alder

Grown for the ability to thrive in wet situations. Hedging. Suitable for coastal conditions. Alder wood is used in woodwork and cabinet making as is also the wood famously used to make Fender guitars as well as subsequent electric guitar manufacturers. Alder wood is relatively water resistant as is the main kind of wood which was used to construct the foundations for the city of Venice. The sap and bark was traditionally used to tan leather.

Deciduous Trees

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