Index / Search / Lupinus angustifolius

§1 Plant

Lupinus angustifolius L.

vernacular narrowleaf lupine — species · Fabaceae

USDA: LUAN4
GBIF: 2964025
Rank: species

narrowleaf lupine (Lupinus angustifolius) — Platephotograph · mjcorreia source · iNaturalist ↗

§2Habit & range

Growth habit: Forb/herb
Duration: Annual
Group: Dicot
Family: Fabaceae Lindl.
Genus: Lupinus

§2a

Native status, by region

CAN Canada Introduced
L48 Lower 48 States Introduced

§2b

County-level range

· 2 counties across 2 states/territories

Legend Native · 0 Introduced · 2 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought: Low
Shade: High
Moisture use: Medium
Fire: None
Salinity: None
Anaerobic: None
CaCO₃: None
Hedging: None

§3b

Climate & soil

Cold tolerance: 21 °F minimum
Frost-free days: 180 min.
Precipitation: 35–60 in/yr
pH range: 5.6–7.5
Root depth: 10 in min.
Fertility need: Medium
Soil texture: coarse, medium

§3c

Form & growth

Growth form: Single Crown
Growth rate: Rapid
Mature height: 4 ft
Foliage texture: Medium
Foliage colour: Green
Porosity (summer): Porous
Flower colour: Blue
Fruit colour: Green
Fire resistant: No
N fixation: High
Toxicity: Moderate

§3d

Reproduction

Bloom period: Late Summer
Seed abundance: Low
Seed begins: Summer
Seed ends: Fall
Spread rate: Moderate
Stratify: No
Seeds / lb: 2,501
Propagation: seed

§3e

Use & availability

Commercial availability: No Known Source
Nursery stock: No
Browse palatability: Low
Graze palatability: Low
Palatable, human: No
Protein potential: Medium
Lumber: No
Christmas tree: No

§4Counties, by state

Recorded in 2 counties across 2 states/territories.

Florida view state ↗ 1 I ▾

Alachua 12001

Georgia view state ↗ 1 I ▾

Treutlen 13283

§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/LUAN4 ↗

GBIF Backbone

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

gbif.org/species/2964025 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T05:45:41Z