Catalpa x erubescens 'Purpurea' Formal This bluish grey cultivar is

This bluish grey cultivar is similar to the species however it is more conical and doesn't grow as tall

Flowers with cream coloured panicles in late summer followed by black fruits in autumn

or 'Holstein' or 'Granny Smith' (flower slightly earlier but usually overlap in season)

Plant in a sheltered location in full sun or dappled shade

A yew of erect habit

Catalpa x erubescens 'Purpurea' Formal This bluish grey cultivar isThis hybrid has young leaves and shoots that are dark purple, almost black, gradually becoming a luxurious jade green with purple blush in summer. Produces impressive upright 'candles' of white flowers with hints of orange and purple in summer. Requires a a spacious (grows to 8m wide) and sheltered position in full sun. Avoid heavy soils. H6