Overview

Catalpa bungei var. heterophylla is a spreading branched trees in the genus Catalpa, part of the Bignoniaceae family, with deciduous foliage. Catalpa bungei var. heterophylla grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H6. Suggested uses include architectural.

About

Catalpa bungei var. heterophylla is a broad-spreading deciduous tree within the Catalpa genus, known for its large, attractive leaves and upright clusters of bell-shaped flowers that bloom in late summer. This cultivar thrives in full sun with a south-facing, sheltered aspect, preferring fertile, moist but well-drained loam soil of neutral pH. It is hardy in the UK (H6) and is suited to architectural planting. Propagation is typically by softwood cuttings or grafting, with interest primarily in spring and summer.

Growing conditions

Best soil and position for Catalpa

Sunlight

Full sun

Soil type

Loam

Soil pH

Neutral

Soil moisture

Moist but well-drained

Aspect

South-facing

Exposure

Sheltered

UK hardiness

H6

Plant details

Catalpa bungei var. heterophylla size, habit and characteristics

Plant type

Trees

Habit

Spreading branched

Foliage

Deciduous

Suggested uses

Architectural

Care notes

Pruning and caring for Catalpa bungei var. heterophylla

Propagation

Softwood cuttings, grafting

Pest resistance

Generally pest-free

Disease resistance

May be susceptible to verticillium wilt, honey fungus

Frequently asked questions