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
GBIF: Kai Smith






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