SelecTree: Tree Detail

PYRAMIDALIS BLACK ALDER
Alnus glutinosa 'Pyramidalis'

Alnus glutinosa 'Pyramidalis' Alnus glutinosa 'Pyramidalis' Alnus glutinosa 'Pyramidalis' Alnus glutinosa 'Pyramidalis' Alnus glutinosa 'Pyramidalis' Alnus glutinosa 'Pyramidalis' Alnus glutinosa 'Pyramidalis' Alnus glutinosa 'Pyramidalis'

Photo Locations: Morton Arboretum - Lisle, IL

General Notes

Branches don't droop and resist breakage.

Family: Betulaceae

Additional Common Names

PYRAMIDALIS BLACK ALDER, PYRAMIDALIS COMMON ALDER, PYRAMIDALIS EUROPEAN ALDER

Tree Characteristics

Conical or Oval Shape.

Has Deciduous foliage.

Height: 40 - 50 feet.

Width: 15 - 20 feet.

Growth Rate: 24 or More Inches per Year.

Leaves Elliptic, Green, No Change, Deciduous.

Flowers Inconspicuous. Purple or Red. Flowers in Spring. Has separate male and female flowers on the same tree (monoecious).

Persistent, Brown Cone, Small (0.25 - 0.50 inches), fruiting in Summer or Fall.

Bark Dark Gray, Fibrous.

Shading Capacity Rated as Dense to Very Dense in Leaf.

Shading Capacity Rated as Dense out of Leaf.

Tree Site Conditions & Constraints

Sunset Zones 1 - 10 and 14 - 24.

USDA Hardiness Zones 3 - 7.

Exposure Full Sun to Partial Shade.

Wet but Well Drained Soil.

Loam or Sand Texture.

Acidic to Alkaline Soil pH.

Pests & Disease Information

Susceptible to Leaf Miner and Caterpillars, Powdery Mildew and Canker.

Health, Safety & Environmental Concerns

Branch Strength Rated as Medium Weak

Root Damage Potential Rated as Low.

Special Uses & Values

Specimen, Shade Tree or Screen.

Cite this tree:
SelecTree. "Alnus glutinosa 'Pyramidalis' Tree Record." 1995-2018. Jun 23, 2018.
< https://selectree.calpoly.edu/tree-detail/alnus-glutinosa-pyramidalis >

This tree is not part of the SelecTree Nursery Connection. If you would like to see this tree listed, or know of a nursery that sells it, please contact us at ufei@calpoly.edu.