Index / Search / Cornus sericea ssp. occidentalis

§1 Plant

Cornus sericea L. ssp. occidentalis (Torr. & A. Gray) Fosberg

vernacular western dogwood — subspecies · Cornaceae


USDA
COSEO
GBIF
3663330 syn.
Rank
subspecies
western dogwood (Cornus sericea ssp. occidentalis)
Platephotograph · adrianakolev source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Shrub, Tree
Duration
Perennial
Group
Dicot
Family
Cornaceae Bercht. & J. Presl
Genus
Cornus
§2a

Native status, by region

  • AK Alaska Native
  • L48 Lower 48 States Native
§2b

County-level range

· 85 counties across 5 states/territories
Legend Native · 85 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought
Low
Shade
Medium
Moisture use
Medium
Fire
Medium
Salinity
Medium
Anaerobic
High
CaCO₃
Medium
Hedging
Medium
§3b

Climate & soil

Cold tolerance
-35 °F minimum
Frost-free days
100 min.
Precipitation
18–60 in/yr
pH range
4.8–7.5
Root depth
16 in min.
Fertility need
Medium
Soil texture
coarse, medium, fine
§3c

Form & growth

Growth form
Multiple Stem
Growth rate
Moderate
Lifespan
Long
Mature height
16 ft
Height @ 20 y
15 ft
Foliage texture
Coarse
Foliage colour
Green
Porosity (summer)
Dense
Porosity (winter)
Moderate
Flower colour
White
Fruit colour
White
Fire resistant
No
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Summer
Seed abundance
Medium
Seed begins
Spring
Seed ends
Summer
Spread rate
Slow
Stratify
Yes
Seeds / lb
18,500
Propagation
seed, cuttings, bare root, container
§3e

Use & availability

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

§4Counties, by state

Recorded in 85 counties across 5 states/territories.

California view state ↗ 30 N
Idaho view state ↗ 3 N
Nevada view state ↗ 3 N
Oregon view state ↗ 19 N
Washington view state ↗ 30 N

§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/COSEO ↗

GBIF Backbone

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

gbif.org/species/3663330 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T20:46:58Z