Position: Full sun or light, dappled shade.
Soil: Fertile, well drained soil.
Hardiness: May require a sheltered position in Northern parts of the U.K. and grows best when planted in a position protected from strong winds.
Flowering Period: June - July.
Rate of Growth: Moderate.
Habit: Catalpa x erubescens 'Purpurea' grows to be a small branching tree with a rounded crown.
Height: up to 10 m (32 ft)
Spread: 8 - 10 m
Notes: Catalpa x erubescens 'Purpurea' is notably resistant to honey fungus!