Southern Catalpa
Catalpa bignonioides
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Bignoniaceae
- Genus:
- Catalpa
- Species:
- Catalpa bignonioides
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Tree
- Height:
- 12-20 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- mar, apr, may, jun, jul, aug
- Bloom Colors:
- purple, white, yellow
Native Range
United States: Alabama, Arkansas, Arizona, California, Connecticut, District of Columbia, Delaware, Florida, Georgia, Iowa, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Missouri, Mississippi, North Carolina, North Dakota, New Jersey, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Utah, Virginia, Vermont, West Virginia, Canada: Ontario
Host Plant for Caterpillars
Catalpa Sphinx (Ceratomia catalpae), Fall webworm (Hyphantria cunea), White-marked Tussock Moth (Orgyia leucostigma), Eastern Tiger Swallowtail (Papilio glaucus)
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Prefers riverbanks and floodplains in native range
Germination Information
Pre-treatment: Single-step cold-moist stratification for temperate woodland species. for 60–120 days
Source: OpenAI GPT-4o