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Alnus × spaethii | Plant Finder | Fill My Garden

Home/Plants/Trees

Plants > Trees

Alnus × spaethii

Alnus × spaethii

Low Maintenance

Genus: Alnus
Family: Betulaceae

About this plant

A large, fast-growing tree with a conical habit, to a height of over 12m, with large, long and serrated green leaves that are flushed purple when young. One of its main features is the display of yellow catkins in spring. An ideal specimen for a large space or for a street

Growing Information

Height

Higher Than 12 Metres

Spread

4-8 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full Sun

Soil

ClayChalkLoamSandy

AcidAlkaline

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Neutral

Moisture

Poorly DrainedMoist But Well DrainedWell Drained

Aspect

South FacingNorth FacingWest FacingEast Facing

Exposure

ShelteredExposed

Care Guide

Cultivation

Grow in moderately fertile, moist but well-drained soil in full sun or part shade. Noted for its ability to thrive in poor, wet conditions but is also tolerant of dry soils once established

Pruning

Pruning group 1 between leaf fall and midwinter

Propagation

Propagate by seed or hardwood cuttings

Pests

May be susceptible to alder sucker, alder leaf beetle and leaf-mining sawflies

Diseases

May be susceptible to Phytophthora

Garden Uses

Uses

Flower BordersBanks Slopes

Season of Interest

AutumnSpringSummerWinter

Size & Characteristics

Height

Higher Than 12 Metres

Spread

4-8 Metres

Habit

Climbing

Time to Full Height

Fifty To Hundred Years