Alnus incana subsp. rugosa
Alnus incana subsp. rugosa
- Native to:
- Canada | MB, NB, NS, NU, ON, PE, QC, SK | Labrador | Prince Edward I. | United States | CT, IA, IL, IN, MA, MD, ME, MI, MN, ND, NH, NJ, NY, OH, PA, RI, VA, VT, WI, WV | Virgin Islands
GBIF: Cole Wolf
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Betulaceae
- Genus:
- Alnus
- Species:
- Alnus incana subsp. rugosa
Growth Characteristics
- Growth Habit:
- Tree , Shrub
- Height:
- 760 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, beavers
- Deer Resistant:
- Yes
- Fall Color:
- yellow
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from root crown after top-kill by fire or cutting. Common pioneer species in post-disturbance wetland sites.
Source: Claude claude-sonnet-4-5-20250929 Batch
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–90 days
- Germination Time:
- 14–60 days
- Notes:
- Seeds require light for germination. Surface sow or barely cover. Fresh seed germinates more readily than stored seed.
Source: Claude claude-sonnet-4-5-20250929 Batch