Index / Search / Lupinus argenteus

§1 Plant — species · Fabaceae

Lupinus argenteus Pursh

vernacular silvery lupine


USDA
LUAR3
GBIF
2964374
Rank
species
silvery lupine (Lupinus argenteus)
Platephotograph · Tim MessickCC BY source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Forb/herb, Subshrub
Duration
Perennial
Group
Dicot
Family
Fabaceae Lindl.
Genus
Lupinus
§2a

Native status, by region

  • CAN Canada Native
  • L48 Lower 48 States Native

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

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

Climate & soil

Cold tolerance
-43 °F minimum
Frost-free days
180 min.
Precipitation
10–45 in/yr
pH range
7–8
Root depth
6 in min.
Fertility need
Low
Soil texture
coarse, medium, fine
§3c

Form & growth

Growth form
Multiple Stem
Growth rate
Rapid
Lifespan
Short
Mature height
1.5 ft
Foliage texture
Fine
Foliage colour
Gray-Green
Porosity (summer)
Porous
Porosity (winter)
Porous
Flower colour
Blue
Fruit colour
Brown
Fire resistant
No
N fixation
Low
Toxicity
Severe
§3d

Reproduction

Bloom period
Late Summer
Seed abundance
High
Seed begins
Summer
Seed ends
Fall
Spread rate
Rapid
Stratify
No
Seeds / lb
126,000
Propagation
seed, container
§3e

Use & availability

Commercial availability
Contracting Only
Nursery stock
Yes
Browse palatability
Medium
Graze palatability
Medium
Palatable, human
No
Protein potential
Medium
Lumber
No
Christmas tree
No

§4Montana distribution

Recorded in 50 of 56 Montana counties.


§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/LUAR3 ↗

GBIF Backbone

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

gbif.org/species/2964374 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-25

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