Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Bignoniaceae

Genus:

Catalpa

Species:

Catalpa speciosa

USDA Symbol:

CASP8

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Tree

Height:

2400 cm

Light Requirements:

Part Shade

Drought Tolerance:

High

Bloom Months:

may,jun

Bloom Colors:

white

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Caterpillars:

★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Reported Fauna Sightings

Garden & Ecology Notes

Wildlife Value:

birds, butterflies, sphinx moths

Deer Resistant:

Yes

Fragrant:

Yes

Fall Color:

yellow

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts vigorously from the root crown following fire or cutting damage.

Soil Requirements

Soil Type:

rich, well-drained loamy soil

pH:

6.0 - 8.0 (slightly acidic to neutral)

Drainage:

tolerates poor drainage

Moisture:

consistently moist

Notes:

Prefers riverbanks and floodplains in native range

Propagation & Germination

Stratification:

None required

Germination Time:

14–21 days

Notes:

Seeds germinate readily without pretreatment. Light may enhance germination.

The above propagation data sourced from Claude AI