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Black Locust

Robinia pseudoacacia

In the Carolinas and Georgia, found in forests, woodlands, disturbed areas, roadcuts. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you

70
Strong

Native to Louisiana (estimated). How scores work Is it native here?

Profile 94%

Height
50 feet
Spread
20–35 feet
Light
Full sun, Partial shade
Soil moisture
Somewhat dry to moist

Space about 27.5 ft apart from its recorded spread. Enter your bed size for a count

Will it fit your yard?

At a glance

Life cycle
Woody perennial
Leaves
Deciduous
Bloom
April to June
Fruiting season
July to November

Recorded in 50 Louisiana parishes.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 2

Forests and woodlands

Forest or woodland where the source does not say how moist or dry.

Roadsides, fields and disturbed ground

Ground opened by people: roadsides, old fields, pastures, fencerows and lots.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Louisiana. Shared habitat, not food. 116 animals.

All wildlife of Louisiana

Ecological relationships

Who uses this plant?

What these records mean

54CaterpillarsGenus host records with ranges including LA

Genus host records with ranges including LA · Robinia

  • Epargyreus clarusSilver-spotted Skipper
  • Acharia stimuleaSaddleback Caterpillar Moth
  • Acronicta americanaAmerican Dagger
  • Actias lunaLuna Moth
  • Alsophila pometariaFall Cankerworm Moth
  • Amyelois transitellaNavel Orangeworm
  • Anticarsia gemmatalisVelvetbean Caterpillar Moth
  • Archips argyrospilaFruit-Tree Leafroller Moth
  • Aroga trialbamaculellaRed-Striped Fireworm Moth
  • Automeris ioIo Moth
Show all 54
  • Caloptilia stigmatellaPoplar Caloptilia
  • Catocala illectaMagdalen Underwing
  • Celiptera frustulumBlack Bit Moth
  • Ceratomia amyntorElm Sphinx
  • Coelodasys unicornisUnicorn Caterpillar Moth
  • Colias philodiceClouded Sulphur, Clover Butterfly
  • Dasylophia anguinaBlack-Spotted Prominent
  • Datana ministraYellow-Necked Caterpillar Moth
  • Digrammia ocellinataFaint-Spotted Angle
  • Eacles imperialisImperial Moth, Imperial Spiny Caterpillar
  • Ecdytolopha insiticianaLocust Twig Borer Moth
  • Elasmopalpus lignosellaLesser Cornstalk Borer
  • Euparthenos nubilisLocust Underwing
  • Gesta funeralisFunereal Duskywing
  • Gesta zaruccoZarucco Duskywing
  • Gymnandrosoma punctidiscanumDotted Gymnast, Dotted Ecdytolopha
  • Halysidota tessellarisBanded Tussock Moth, Pale Tiger Moth
  • Heliomata cycladataCommon Spring Moth, Stout Locust Looper
  • Hypena scabraGreen Cloverworm Bomolocha, Black Snout
  • Hypercompe scriboniaGiant Leopard Moth, Great Leopard Moth
  • Hyphantria cuneaFall Webworm
  • Malacosoma disstriaForest Tent Caterpillar
  • Mellilla xanthometataOrange Wing
  • Nematocampa resistariaFilament Bearer, Horned Spanworm Moth
  • Norape cretataWhite Flannel Moth
  • Oedemasia concinnaRed-Humped Caterpillar, Red-Humped Appleworm
  • Oiketicus abbotiiAbbot's Bagworm Moth
  • Orgyia leucostigmaWhite-Marked Tussock Moth
  • Orthosia hibisciSpeckled Green Fruitworm Moth, Speckled Green Quaker
  • Papaipema nebrisStalk Borer
  • Parectopa robiniellaLocust Digitate Leafminer
  • Pero honestariaHonest Pero
  • Prionoxystus robiniaeCarpenterworm Moth, Black Locust Borer, Cottonwood Borer
  • Pseudanthracia coraciasPseudanthracia Moth
  • Psilocorsis cryptolechiellaBlack-Fringed Leaftier
  • Pyrrhia ciliscaAmerican Bordered Sallow, Noble Sun Moth
  • Sciota virgatellaBlack-Spotted Leafroller
  • Selenisa sueroidesTailpipes, Pale-Edged Selenisa Moth
  • Sparganothis sulfureanaSparganothis Fruitworm Moth, Sulfur Leafroller, False Yellow-Head
  • Syssphinx bicolorHoney Locust Moth
  • Thyridopteryx ephemeraeformisEvergreen Bagworm Moth
  • Tlascala reductellaTlascala Moth, Honey Locust Leafroller
  • Zale undularisBlack Zale
  • Sinoe robiniella
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
1BeesSoutheastern regional records

Southeastern regional records · Robinia

Individual names are not available yet.

Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
0Specialist beesPollen specialists
3BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Robinia

  • Callipepla californicaCalifornia Quail
  • Columba liviaRock Pigeon
  • Oreortyx pictusMountain Quail
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Fabaceae
Hardiness
Zones 3a–8b
Soil pH
Acidic to alkaline
Flower color
White
Growth rate
Rapid
Growth habit
Several stems
Foliage color
Green
Fruit begins
July
Fruit ends
November

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

Robinia pseudo acacia; Robinia pseudo-acacia

Conservation status

Louisiana rankSNR
Global rankG5
LA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

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Sources