Mountain Alder
Alnus Incana Ssp. Tenuifolia
Overview
The Mountain Alder (Alnus incana ssp. tenuifolia) is a deciduous shrub reaching 10-15 feet in height. Adaptable and versatile, it flourishes along streambanks and moist sites. Its elongated, serrated leaves turn yellow in fall, complementing catkins that provide winter interest. This hardy species' root system stabilizes soil, making it excellent for erosion control and a valuable habitat for wildlife. Prefers full sun to partial shade in zones 2-6.

Culture
- Sun
- Full, Half
- Water
- Extra in Summer, Medium
- USDA zones
- 5–8
Shape & size
- Mature height
- 20–40 Ft.
- Mature width
- 20–40 Ft.
Classification
- Family
- Betulaceae
- Climate
- Temperate
See full data, regional cultivation notes, full-resolution photos, and design tools. Build a client presentation around this plant.
Start your 14-day trialPhotos (32)








Related plants

European White Birch
Betula Pendula
Full · Zones 3–9

Eastern Hop Hornbean
Ostrya Virginiana
Full · Zones 2–7

White Alder
Alnus Rhombifolia
Full · Zones 8–10

Winter Hazel
Corylopsis Spicata
Full · Zones 5–8

Hazel Alder
Alnus Serrulata
Full · Zones 5–9

Harry Lauder's Walking Stick, Twist
Corylus Avellana 'Contorta'
Full · Zones 4–10