A good-sized tree, really too large for the average garden, but grown for its fine foliage.
Trees for large gardens and parks.
Standard, reasonably rich garden soil is satisfactory.
Half-ripe shoots can be rooted in summer.
Catalpa bignonioides: Height to 10 m; white, trumpet-shapedwith yellow-blotched throats early to mid summer. Leaves up to 20 cm across, oval, sometimes lobed, pale green. The cultivar ‘Aurea’ has yellow-green foliage.
Catalpa X erubescens: The result of crossing Catalpa big-nonioides and Catalpa ovata. Newly appearingare brown, in the cultivar ‘Purpurea’ they are almost black. The white are streaked with yellow and have violet-coloured petal tips.