Index / Search / Alnus viridis ssp. sinuata

§1 Plant — subspecies · Betulaceae

Alnus viridis (Chaix) DC. ssp. sinuata (Regel) Á. Löve & D. Löve

vernacular Sitka alder


USDA
ALVIS
GBIF
8166740 syn.
Rank
subspecies
Sitka alder (Alnus viridis ssp. sinuata)
Platephotograph · Christopher J. EarleCC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Shrub, Tree
Duration
Perennial
Group
Dicot
Family
Betulaceae Gray
Genus
Alnus
§2a

Native status, by region

  • AK Alaska Native
  • CAN Canada Native
  • L48 Lower 48 States Native

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought
Low
Shade
Medium
Moisture use
High
Fire
High
Salinity
None
Anaerobic
Low
CaCO₃
Low
Hedging
Low
§3b

Climate & soil

Cold tolerance
-48 °F minimum
Frost-free days
90 min.
Precipitation
16–200 in/yr
pH range
5–7.5
Root depth
10 in min.
Fertility need
Low
Soil texture
coarse, medium
§3c

Form & growth

Growth form
Multiple Stem
Growth rate
Slow
Lifespan
Long
Mature height
16 ft
Height @ 20 y
10 ft
Foliage texture
Medium
Foliage colour
Yellow-Green
Porosity (summer)
Dense
Porosity (winter)
Porous
Fruit colour
Brown
Fire resistant
No
N fixation
Low
Toxicity
None
§3d

Reproduction

Bloom period
Summer
Seed abundance
High
Seed begins
Summer
Seed ends
Fall
Spread rate
Rapid
Stratify
Yes
Seeds / lb
666,000
Propagation
seed, bare root, container
§3e

Use & availability

Commercial availability
Routinely Available
Nursery stock
No
Browse palatability
Low
Graze palatability
Low
Palatable, human
No
Protein potential
Low
Lumber
No
Fuelwood
Medium
Christmas tree
No

§4Montana distribution

Recorded in 12 of 56 Montana counties.


§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/ALVIS ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/8166740 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-25

fetched 2026-05-25T16:28:53Z