Black Locust
Robinia pseudoacacia
Found in forests, woodlands, disturbed areas, roadcuts. Weakley, Flora of the Southeastern United States (2025), Florida edition What its natural habitat tells you
—
Not native
Not native to Florida. How scores work Is it native here?
Profile 76%
- Height
- 50 feet
- Spread
- 20–35 feet
- Light
- Full sun, Partial shade
- Soil moisture
- Somewhat dry to moist
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At a glance
- Life cycle
- Woody perennial
- Leaves
- Deciduous
- Bloom
- April to June
- Fruiting season
- July to November
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Recorded in 18 Florida counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
1 of 2
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Ecological relationships
Who uses this plant?
52CaterpillarsGenus host records with ranges including FL
Genus host records with ranges including FL · 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 52
- Caloptilia stigmatellaPoplar Caloptilia
- Catocala whitneyiWhitney's Underwing
- Celiptera frustulumBlack Bit Moth
- Ceratomia amyntorElm Sphinx
- Coelodasys unicornisUnicorn Caterpillar Moth
- Colias philodiceClouded Sulphur, Clover Butterfly
- 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 zaruccoZarucco Duskywing
- Gymnandrosoma punctidiscanumDotted Gymnast, Dotted Ecdytolopha
- Halysidota tessellarisBanded Tussock Moth, Pale Tiger Moth
- Heliomata cycladataCommon Spring Moth, Stout Locust Looper
- Heliomata infulataRare Spring Moth
- 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
- 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
- Tetracis cachexiataWhite Slant-Line
- Thyridopteryx ephemeraeformisEvergreen Bagworm Moth
- Tlascala reductellaTlascala Moth, Honey Locust Leafroller
- Zale undularisBlack Zale
- Sinoe robiniella
—BeesSoutheastern regional records
—Specialist 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
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
- Bloom · “April to June” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (ranked first; USDA PLANTS differs) · Carolinas and Georgia
- Flower color · “White” · NC Extension Plant Toolbox
- Foliage color · “Green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit begins · “July” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (ranked first; USDA PLANTS differs) · Carolinas and Georgia
- Fruit ends · “November” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (ranked first; USDA PLANTS differs) · Carolinas and Georgia
- Growth habit · “Several stems” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth rate · “Rapid” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Hardiness · “Zones 3a–8b” · NC Extension Plant Toolbox
- Height · “50 feet” · NC Extension Plant Toolbox (ranked first; USDA PLANTS, Minnesota Wildflowers differ)
- Leaves · “Deciduous” · NC Extension Plant Toolbox
- Life cycle · “Woody perennial” · NC Extension Plant Toolbox
- Light · “Full sun (6 or more hours of direct sunlight a day); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards, Virginia DCR Piedmont, Virginia DCR Coastal Plain differ)
- primary_flower_color · “white” · USDA PLANTS
- Soil · “Moist; Occasionally dry” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards, Virginia DCR Piedmont, Virginia DCR Coastal Plain differ)
- Soil pH · “Acidic to alkaline” · NC Extension Plant Toolbox
- Spread · “20–35 feet” · NC Extension Plant Toolbox
Also known as
Robinia pseudo acacia; Robinia pseudo-acacia
Conservation status
| Florida rank | SNR |
|---|---|
| Global rank | G5 |
| FL status | Not verified |
| Federal status | Not verified |
Sources
- Atlas of Florida Plants
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025)
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications