Ecological relationships
Who uses this plant?
9CaterpillarsGenus host records with ranges including SC
Genus host records with ranges including SC · Catalpa
- Ceratomia catalpaeCatalpa Sphinx
- Hyphantria cuneaFall Webworm
- Nematocampa resistariaFilament Bearer, Horned Spanworm Moth
- Orgyia leucostigmaWhite-Marked Tussock Moth
- Paleacrita vernataSpring Cankerworm Moth
- Papaipema nebrisStalk Borer
- Papilio glaucusEastern Tiger Swallowtail
- Thyridopteryx ephemeraeformisEvergreen Bagworm Moth
- Xylophanes tersaTersa Sphinx
10BeesSoutheastern regional records
Southeastern regional records · Catalpa
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
—BirdsRecorded genus food-resource interactions; not a state feeding claimNo records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Growing and identification
Plant details
- Family
- Bignoniaceae
- Hardiness
- Zones 5a–9b
- Soil pH
- Acidic to alkaline
- Flower color
- Purple or white
- Growth rate
- Rapid
- Growth habit
- Single crown
- Foliage color
- Green
- Fruit begins
- Summer
- Fruit ends
- Summer
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “Mid spring” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Flower color · “Purple or white” · NC Extension Plant Toolbox
- Foliage color · “Green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit begins · “Summer” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit ends · “Summer” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth habit · “Single crown” · 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 5a–9b” · NC Extension Plant Toolbox
- Height · “30–60 feet” · NC Extension Plant Toolbox
- 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
- Soil · “Moist” · NC Extension Plant Toolbox
- Soil pH · “Acidic to alkaline” · NC Extension Plant Toolbox
- Spread · “20–40 feet” · NC Extension Plant Toolbox
Also known as
Southern Catalpa
Conservation status
| South Carolina rank | Not available |
|---|---|
| Global rank | G3G4 |
| SC status | Not verified |
| Federal status | Not verified |
In your garden
Will it fit your spot?
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Sources
- tnky_atlas
- usda
- South Carolina occurrence source
- 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