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Catalpa bignonioides · Bignoniaceae

Southern Catalpa

⚠️ Not safe for petsDeciduous, with an annual life cycle.200 to 400 cm
Full sunRegular watering, especially in summer.MediumWithstands temperatures down to a few degrees below zero.

Description & origin

The Southern Catalpa is a fast-growing ornamental tree known for its large heart-shaped leaves and showy white flowers. It is ideal for spacious gardens, providing shade and beauty during summer.

Size

Can reach up to 4 meters in domestic cultivation.

Foliage

Deciduous foliage, loses leaves in winter.

Flowering

Blooms in summer with white flowers in clusters.

Detailed care

Light

Prefers full sun for healthy growth.

Soil

Well-drained, fertile soil is ideal.

Watering

Regular watering, especially during warmer months.

Temperature

Tolerates moderately cold temperatures but not severe frosts.

Fertilising

Fertilize in spring to promote vigorous growth.

Repotting

Transplant in spring when young.

Pruning

Prune in late winter to maintain desired shape.

Propagation

Propagates by seeds or cuttings.

Common problems

Pests

Can be attacked by caterpillars and aphids.

Fungal diseases

Susceptible to fungal diseases in humid conditions.

Branch breakage

Branches may break in strong winds due to rapid growth.

Uses & curiosities

In the garden

  • Shade
  • Ornamental
  • Pollinator attraction

Other uses

Ideal for creating a focal point in gardens.

Did you know…

The long, thin pods of the Catalpa are often compared to beans but are not edible.