Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Betulaceae

Genus:

Alnus

Species:

Alnus alnobetula subsp. sinuata

Growth Characteristics

Growth Habit:

Shrub

Height:

400 cm

Drought Tolerance:

Low

Bloom Months:

mar,apr,may

Landscaping Shrub:

Yes

Keystone Species Ranking

Caterpillar Keystone:

★★★★★ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:

birds, small mammals, erosion control

Deer Resistant:

Yes

Fall Color:

yellow

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts vigorously from root crown after fire or disturbance. Important early colonizer in post-fire and post-avalanche succession in mountain ecosystems.

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–90 days

Germination Time:

14–60 days

Notes:

Seeds require light for germination. Sow on surface or barely cover. Fresh seed germinates more readily than stored seed.

The above propagation data sourced from Claude AI