Green Alder vs Slough Grass - TreeTime.ca

Green Alder vs Slough Grass

Alnus alnobetula subsp. crispa

Beckmannia syzigachne

COMING SOON

(new stock expected: fall of 2025)

CUSTOM GROW

Green Alder
Slough Grass

Green Alder is a cold hardy, native shrub. It is often planted on infertile sites so it can fix nitrogen from the air and improve the soil quality.

Green Alder is known for its smooth grey bark and attractive shiny green leaves; it is commonly used in reclamation.

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 Quick Facts

Slough Grass Quick Facts

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


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

In row spacing: 0.9 m (3 ft)

Between row spacing: 5 m (16 ft)
Other Names: american green alder
Other Names: sloughgrass, western slough grass