Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Betulaceae

Genus:

Alnus

Species:

Alnus incana subsp. tenuifolia

Growth Characteristics

Growth Habit:

Tree , Shrub

Height:

1200 cm

Drought Tolerance:

Low

Bloom Months:

mar,apr,may

Bloom Colors:

brown, red

Landscaping Shrub:

Yes

Keystone Species Ranking

Caterpillar Keystone:

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

Garden & Ecology Notes

Wildlife Value:

birds, small mammals, beavers

Fall Color:

yellow

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts vigorously from root crown and root suckers following fire. Often colonizes burned riparian areas rapidly.

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–90 days

Germination Time:

14–60 days

Notes:

Seeds require light for germination. Fresh seed germinates best; viability declines rapidly in storage.

The above propagation data sourced from Claude AI