Alnus alnobetula subsp. crispa

Alnus alnobetula subsp. crispa

Native to:
Canada | AB, BC, MB, NB, NS, NT, ON, PE, QC, SK | Greenland | Labrador | Prince Edward I. | United States | MA, ME, MI, MN, NC, NH, NY, PA, TN, VT, WI

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Betulaceae
Genus:
Alnus
Species:
Alnus alnobetula subsp. crispa

Growth Characteristics

Growth Habit:
Shrub
Height:
300 cm
Drought Tolerance:
Low
Bloom Months:
apr,may,jun
Landscaping Shrub:
Yes

Keystone Species Ranking

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

Garden & Ecology Notes

Wildlife Value:
birds, small mammals, soil improvement
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 cutting. Common early successional species in burned areas, fixing nitrogen to improve soil.

Source: Claude claude-sonnet-4-5-20250929 Batch

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–90 days
Germination Time:
14–30 days
Notes:
Seeds require light for germination. Fresh seed germinates best; viability decreases with storage.

Source: Claude claude-sonnet-4-5-20250929 Batch