Species: Alnus glutinosa

(al'nus glue-ti-no'sah)

Alnus glutinosa

European Alder; Black Alder

Found on Course Walks

Map of plant locations

(Plant location data may be incomplete)

In Collection(s):

None Listed

Cultivars

'Aurea', 'Imperialis', 'Laciniata', 'Pyramidalis'

Ornamental Characteristics

Size: Tree > 30 feet

Height: 40' - 60'

Leaves: Deciduous

Shape: pyramidal to oval

Ornamental Other: tolerates light shade; fixes own nitrogen

Environmental Characteristics

Light: Full sun, Part shade

Hardy To Zone: 4a

Soil Ph: Can tolerate acid to alkaline soil (pH 5.0 to 8.0)

Environmental Other: tolerates light shade; fixes own nitrogen

Moisture Tolerance: Occasionally saturated or very wet soil; Consistently moist, well-drained soil; Occasional periods of dry soil
See graphic below

Insect Disease

may have problems with leaf miners, tent caterpillars, woolly alder aphids

Bare Root Transplanting

Moderately difficult

Other

native to Europe, western Asia, northern Africa; good tree for reclamation sites; transplants easily in spring; relatively short-lived; can become invasive

Moisture Tolerance Graphic

Please view this page on a tablet or larger screen for the moisture graph

Moisture Tolerance

Moisture graphic

Occasionally saturated or very wet soil

Consistently moist, well-drained soil

Occasional periods of dry soil

Prolonged periods of dry soil

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