Index / Search / Lathyrus hirsutus

§1 Plant

Lathyrus hirsutus L.

vernacular Caley pea — species · Fabaceae


USDA
LAHI2
GBIF
5356382
Rank
species
Caley pea (Lathyrus hirsutus)
Platephotograph · Ruthanne ThomasCC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Forb/herb, Vine
Duration
Annual
Group
Dicot
Family
Fabaceae Lindl.
Genus
Lathyrus
§2a

Native status, by region

  • L48 Lower 48 States Introduced
§2b

County-level range

· 286 counties across 19 states/territories
Legend Native · 0 Introduced · 286 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

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

Climate & soil

Cold tolerance
17 °F minimum
Frost-free days
120 min.
Precipitation
35–60 in/yr
pH range
5.8–6.2
Root depth
12 in min.
Fertility need
Medium
Soil texture
coarse, medium, fine
§3c

Form & growth

Growth form
Multiple Stem
Growth rate
Rapid
Mature height
3 ft
Foliage texture
Fine
Foliage colour
Yellow-Green
Porosity (summer)
Moderate
Porosity (winter)
Porous
Flower colour
Blue
Fruit colour
Brown
Fire resistant
No
N fixation
High
Toxicity
None
§3d

Reproduction

Bloom period
Spring
Seed abundance
Low
Seed begins
Spring
Seed ends
Summer
Spread rate
Moderate
Stratify
Yes
Seeds / lb
18,160
Propagation
seed
§3e

Use & availability

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

§4Counties, by state

Recorded in 286 counties across 19 states/territories.

Alabama view state ↗ 6 I
Arkansas view state ↗ 32 I
California view state ↗ 7 I
Florida view state ↗ 2 I
Georgia view state ↗ 6 I
Illinois view state ↗ 4 I
Kentucky view state ↗ 8 I
Louisiana view state ↗ 43 I
Michigan view state ↗ 1 I
Mississippi view state ↗ 47 I
Missouri view state ↗ 9 I
New Mexico view state ↗ 3 I
North Carolina view state ↗ 19 I
Oklahoma view state ↗ 1 I
Oregon view state ↗ 4 I
South Carolina view state ↗ 5 I
Tennessee view state ↗ 15 I
Texas view state ↗ 28 I
Virginia view state ↗ 46 I

§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/LAHI2 ↗

GBIF Backbone

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

gbif.org/species/5356382 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

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