Index / Search / Lablab purpureus
§1 Plant
Lablab purpureus (L.) Sweet
vernacular hyacinthbean — species · Fabaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb, Vine
- Duration
- Perennial
- Group
- Dicot
- Family
- Fabaceae Lindl.
- Genus
- Lablab
§2a
Native status, by region
- CAN Canada Introduced
- HI Hawaii Introduced
- L48 Lower 48 States Introduced
- PR Puerto Rico Introduced
- VI U.S. Virgin Islands Introduced
§2b
County-level range
· 11 counties across 7 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- High
- Shade
- Medium
- Moisture use
- Medium
- Fire
- Medium
- Salinity
- Medium
- Anaerobic
- Low
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- 31 °F minimum
- Frost-free days
- 300 min.
- Precipitation
- 24–98 in/yr
- pH range
- 4.5–7.8
- Root depth
- 12 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Single Stem
- Growth rate
- Rapid
- Lifespan
- Short
- Mature height
- 4 ft
- Foliage texture
- Coarse
- Foliage colour
- Green
- Porosity (summer)
- Dense
- Porosity (winter)
- Dense
- Flower colour
- White
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- Medium
- Toxicity
- Slight
§3d
Reproduction
- Bloom period
- Spring
- Seed abundance
- Medium
- Seed begins
- Spring
- Seed ends
- Summer
- Spread rate
- Moderate
- Stratify
- No
- Seeds / lb
- 1,800
- Propagation
- seed, bare root, container
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- No
- Browse palatability
- High
- Graze palatability
- High
- Palatable, human
- Yes
- Protein potential
- Medium
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 11 counties across 7 states/territories.
District of Columbia view state ↗ 1 I ▾
Florida view state ↗ 2 I ▾
Massachusetts view state ↗ 1 I ▾
New Jersey view state ↗ 1 I ▾
New York view state ↗ 2 I ▾
Ohio view state ↗ 2 I ▾
Pennsylvania view state ↗ 2 I ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/LAPU6 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2952236 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T12:10:33Z