Southern Catalpa
Catalpa bignonioides
Found in bottomlands and streambanks (as a native), escaped or persistent after cultivation. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you
Native to Alabama. How scores work Is it native here?
Profile 100%
- Height
- 30–60 feet
- Spread
- 20–40 feet
- Light
- Full sun, Partial shade
- Soil moisture
- Usually moist
Space about 30 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
- May and July
- Fruiting season
- October
Recorded in 52 Alabama counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Floodplain and bottomland forests
Forests on low ground beside rivers and streams that flood from time to time.
Streams, rivers and their banks
Flowing water and its banks, bars and rocky shoals.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Alabama. Shared habitat, not food. 131 animals.
- Red-breasted NuthatchSitta canadensis
- Red-headed WoodpeckerMelanerpes erythrocephalus
- Ring-necked DuckAythya collaris
- Ruby-crowned KingletRegulus calendula
- Ruffed GrouseBonasa umbellus
- Rusty BlackbirdEuphagus carolinus
- Song SparrowMelospiza melodia
- Tree SwallowTachycineta bicolor
- VeeryCatharus fuscescens
- White-throated SparrowZonotrichia albicollis
- White-winged DoveZenaida asiatica
- Wilson's SnipeGallinago delicata
- Wood ThrushHylocichla mustelina
- Yellow-bellied SapsuckerSphyrapicus varius
- Yellow-billed CuckooCoccyzus americanus
- Yellow-crowned Night-heronNyctanassa violacea
- Yellow-rumped WarblerDendroica coronata
- American CootFulica americana
- American KestrelFalco sparverius
- American WoodcockScolopax minor
- Bald EagleHaliaeetus leucocephalus
- Baltimore OrioleIcterus galbula
- Barred OwlStrix varia
- Black VultureCoragyps atratus
Who uses this plant?
9CaterpillarsGenus host records with ranges including AL
Genus host records with ranges including AL · 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 4.0No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
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
- October
- Fruit ends
- October
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “May to early July” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (ranked first; USDA PLANTS differs) · Carolinas and Georgia
- Flower color · “Purple or white” · NC Extension Plant Toolbox (ranked first; USDA PLANTS differs)
- Foliage color · “Green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit begins · “October” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (ranked first; USDA PLANTS differs) · Carolinas and Georgia
- Fruit ends · “October” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (ranked first; USDA PLANTS differs) · Carolinas and Georgia
- 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 (ranked first; USDA PLANTS differs)
- 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 differs)
- Soil · “Moist” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards differs)
- Soil pH · “Acidic to alkaline” · NC Extension Plant Toolbox
- Spread · “20–40 feet” · NC Extension Plant Toolbox
Conservation status
| Alabama rank | SNR |
|---|---|
| Global rank | G3G4 |
| AL status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- Alabama Plant Atlas
- USDA PLANTS
- 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

























