Green Alder vs Slough Grass - TreeTime.ca

Green Alder vs Slough Grass

Beckmannia syzigachne

Alnus alnobetula subsp. crispa

CUSTOM GROW

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Slough Grass
Green Alder

Slough Grass is a hardy grass that will happily grow in any wet soil. It is usually found near water and is common haymaking material or forage.

Slough Grass is also useful for erosion control and land reclamation.

Green Alder is a native, cold-hardy shrub found in boreal forests, along slopes, and in open upland habitats. It fixes nitrogen in the soil, improving fertility and helping other plants grow, while its roots help stabilize slopes and disturbed ground. Fast to establish on poor soils, it is widely used in reclamation, restoration, and erosion control projects.

With its smooth grey bark and shiny green leaves, Green Alder often forms dense thickets that provide cover for birds and small mammals. Its seeds, buds, and catkins also supply food for wildlife. Green Alder is well suited for naturalization and ecological restoration.

Note: We use Green Alder for Alnus alnobetula subsp. crispa. This species is also known by many other common names, including Mountain Alder, Sitka Alder, and others. Please confirm the scientific name to ensure you are ordering the correct plant.

Slough Grass Quick Facts

Green Alder Quick Facts

Zone: 1a
Zone: 1a
Height: 0.9 m (3 ft)
Height: 7 m (23 ft)
Spread: 0.5 m (1.5 ft)
Spread: 3 m (10 ft)
Light: full sun
Light: any
Moisture: wet
Moisture: any
Growth rate: fast
Growth rate: fast
Life span: short
Life span: short
Suckering: none
Suckering: high


Foliage: thin, tubular
Flowers: yellowish, green
Hybrid: no
Hybrid: no
Catkins: no
Catkins: yes


In row spacing: 0.9 m (3 ft)
Between row spacing: 5 m (16 ft)
Native to: AB, BC, SK, MB, ON, QC, NS, NB, NL, YT, NT
Native to: AB, SK, MB, ON, NS, NB, NL, YT
Other Names: sloughgrass, western slough grass
Other Names: american green alder