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Alder Trees

Varieties of Alder Trees - Alnus Species

Alders are fast growing trees that thrive on and improve poor soil. Their roots quickly bind loose or rocky earth and they also grow in waterlogged conditions. They prefer a sunny location and grow to about 20-30 metres tall. Common Alder and Italian Alder are the largest members of the family; Italian Alder is also suitable for rough, country style hedges and makes an outstanding windbreak. Red Alder can get pretty big too, while Golden Alder is more slender and stands out with its bright yellow-green leaves. Grey Alder is very vigorous and it tends to produce a thicket of suckering stems which these are great for wildlife. As a family aldres are extremely useful as quick growing infills in the kind of soil most of the garden trees you can buy here would turn their noses up at.

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  1. Alnus cordata - 6/8 & 8/10 Standards

    • Likes wet sites
    • Lush, dark leaves.
    • Max. Height: 30m
    • Bareroot Delivery Only: Nov-Mar.
    • RHS AGM
    From £19.95

  2. Alnus Glutinosa - 6/8 & 8/10 Standards
    • Native tree. Grows v. fast. Loves wet sites & poor soil. Full sun. Adds nitrogen to soil.
    • Sizes: Saplings & Big Standards.
    • Good tall screening.
    • Max. Height: 20m
    • Bareroot Delivery Only: Nov-Mar.
    From £19.95

  3. Alnus incana - 6/8 & 8/10 Standards
    • Native tree, grows v. fast, loves wet sites, adds nitrogen to soil.
    • Sizes: Saplings & Big Standards
    • Ideal for very poor soils, suckers heavily
    • Max. Height: 20m
    • Bareroot Delivery Only: Nov-Mar.
    From £19.95

  4. Alnus incana Aurea 6/8 & 8/10 Standards

    • Same as Alnus incana, with yellow leaves & pink catkins in spring.
    • Ideal for very poor and wet soils
    • Max. Height: 20m
    • Bareroot Delivery Only: Nov-Mar.
    • RHS AGM
    From £21.75

  5. Alnus rubra - 6/8 & 8/10 Standards
    • American tree, grows v. fast, loves wet sites, adds nitrogen to soil, big catkins.
    • Saplings & Standards.
    • Big red catkins, early pollen for bees.
    • Max. Height: 20+m
    • Bareroot Delivery Only: Nov-Mar.
    From £21.75

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