Index / Search / Caragana arborescens

§1 Plant — species · Fabaceae

Caragana arborescens Lam.

vernacular Siberian peashrub


USDA
CAAR18
GBIF
2943190
Rank
species
Siberian peashrub (Caragana arborescens)
Platephotograph · Grey O'Neal source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Shrub, Tree
Duration
Perennial
Group
Dicot
Family
Fabaceae Lindl.
Genus
Caragana
§2a

Native status, by region

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

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

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

Climate & soil

Cold tolerance
-38 °F minimum
Frost-free days
150 min.
Precipitation
12–55 in/yr
pH range
5–8.5
Root depth
16 in min.
Fertility need
Low
Soil texture
coarse, medium, fine
§3c

Form & growth

Growth form
Multiple Stem
Growth rate
Rapid
Lifespan
Moderate
Mature height
12 ft
Height @ 20 y
12 ft
Foliage texture
Medium
Foliage colour
Green
Porosity (summer)
Dense
Porosity (winter)
Moderate
Flower colour
Yellow
Fruit colour
Brown
Fire resistant
No
N fixation
Medium
Toxicity
None
§3d

Reproduction

Bloom period
Late Spring
Seed abundance
High
Seed begins
Spring
Seed ends
Summer
Spread rate
Moderate
Stratify
Yes
Seeds / lb
19,000
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
Christmas tree
No

§4Montana distribution

Recorded in 11 of 56 Montana counties.


§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/CAAR18 ↗

GBIF Backbone

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

gbif.org/species/2943190 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-25

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