Alnus sieboldiana

Also known as: Information to be completed

A medium-sized deciduous multi-stemmed tree or shrub to 12m. It has green leaves with paler undersides, neat teeth along the edges and pronounced veins. The male catkins are very stout and yellow and the female woody 'cones' are 2-3cm held singly throughout the autumn and winter

Scientific classification

Species: Alnus sieboldiana (Alnus sieboldiana)
Genus: Alnus
Family: Betulaceae

Information to be completed
Toxicity: Trees
Plant type: 8-12 metres
Height: 4-8 metres
Spread: Deciduous
Foliage: Information to be completed
Habit: Spring · Summer · Autumn · Winter
Season of interest: Full sun
Sunlight: Information to be completed
Ideal temperature

Alnus sieboldiana pictures

Distribution of Alnus sieboldiana

Distribution map

Plant distribution

Native
Introduced
Cultivated

Source：WCVP v16 · Royal Botanic Gardens, Kew · CC BY 3.0 · Boundaries：WGSRPD / TDWG

Culture

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Toxicity

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Quick identification of Alnus sieboldiana

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Alnus sieboldiana care guide

Moderate regular watering, allowing brief slight drying between soakings
Watering: Full sun
Sunlight: Information to be completed
Ideal temperature

Watering

Moderate regular watering, allowing brief slight drying between soakings

Fertilizing

Balanced perennial feed every four weeks from spring through summer

Pruning

Little pruning is needed. Remove diseased, damaged, crowded or crossing shoots and unwanted growth. Timing depends on the plant: generally late winter or early spring; plants prone to bleeding and deciduous magnolias need different timing, and deciduous azaleas and lilacs are pruned after flowering.

Propagation

Propagate by hardwood cuttings or seed. For more advice see our information on how to propagate from seed (tree/shrub

Growing

It is a nitrogen-fixer so can grow on poor soil. Suited to river banks on permanently damp soil in good light. For more information see tree cultivation.

More growing and care information →