Green Alder vs Pygmy Caragana - TreeTime.ca

Green Alder vs Pygmy Caragana

Alnus alnobetula subsp. crispa

Caragana pygmaea

CUSTOM GROW

Green Alder
Pygmy Caragana

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.

Pygmy Caragana is a shrub that is related to Common Caragana and has a compact size that is suitable for yards with limited space. Its size is perfect for landscaping and decorative hedges, and requires little maintenance. This nitrogen fixer has fine-textured foliage and small yellow flowers. Much like Common Caragana, it is hardy and drought tolerant.

Popular as a low maintenance commercial landscaping shrub and for hedging. This species does have tiny spines that might poke you a bit. It has a nice appealing texture when mature.

Green Alder Quick Facts

Pygmy Caragana Quick Facts

Lowest Price: $3.49 - SAVE UP TO 42%
Zone: 1a
Zone: 2b
Height: 7 m (23 ft)
Height: 1.2 m (4 ft)
Spread: 3 m (10 ft)
Spread: 1.2 m (4 ft)
Light: any
Light: full sun
Moisture: any
Moisture: dry, normal
Growth rate: fast
Growth rate: medium
Life span: short
Life span: medium
Suckering: high
Suckering: none


Flowers: prolific tiny yellow pea-like flowers
Seeds: prolific seedpods are edible
Hybrid: no
Hybrid: no
Catkins: yes
Catkins: no

In row spacing: 0.9 m (3 ft)

Between row spacing: 5 m (16 ft)
Native to: AB, SK, MB, ON, NS, NB, NL, YT
Other Names: american green alder
Other Names: pygmy peashrub