Plant types

Plant styles

Planting conditions

Seasonal interest

Nurseries & Gardens

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Alnus glutinosa 'Imperialis'

Also Known As

Imperialis Cutleaf European Alder

Plant type

tree

size

H: 30'-50'
W: 20'-40'

planting zones

3a-9b

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Alnus glutinosa 'Imperialis' plant details

Alnus glutinosa 'Imperialis' is a fast-growing broadleaf deciduous tree with green foliage. In spring and winter purple flowers emerge. Attracts birds. Grows well with sun - mostly sun and even moisture - regular water. Adapts to various soil conditions. Does well in average, clay, rich and well-drained soil. A good option if you're seeking something verticillium wilt resistant.

CHARACTERISTICS OF Alnus glutinosa 'Imperialis'

Plant type: tree
Plant family: betulaceae
Foliage: deciduous green
Mature size: 20 FT - 40 FT - wide, 30 FT - 50 FT - tall
Flowers: purple blooms in spring and winter
Uses: winter interest

GROWING CONDITIONS for Alnus glutinosa 'Imperialis'

USDA Zones: 3a - 9b
Sun exposure: sun - mostly sun
Watering frequency: even moisture - regular
Resistant to: verticillium wilt
Soil needs: average, clay, rich and well-drained

Nursery contributed plant descriptions

The wood of the small-med bushy tree was once used to make clogs in Europe, but this variety is really too attractive for that with its deeply and finely-cut leaves; a handsome large shrub for hedge or specimen. S/M-W

By: Forestfarm

An elegant and refined cut leaf selection of black alder, old plants are spectacular, this is an excellent choice for wet sites, even growing in standing water although it will tolerate dry sandy upland sites as well, Like many plants that fix their own nitrogen it is a relatively fast grower. It is also a good place to search for Feniseca tarquinius, our only carnivorous butterfly larva which is rather fond of alder aphids, camouflaging itself by gluing on the sucked dry carcasses of it's victims.