Description
Koelreuteria –
There are three species of deciduous trees and shrubs in this genus. Found in dry valley woodlands in Eastern Asia. They produce alternate, pinnate or 2 pinnate leaves and large pyramidal panicles, 4-14” long of shallowly bowl shaped flowers, followed by unusually inflated fruit capsules. They are fine specimen trees, flowering best in areas with hot summers.
Grow in moderately fertile, well drained and aerated soil in full sun.
Prone to dieback, canker, mushroom root rot, and wilt.
K. paniculate ‘September’ -Koelreuteria paniculata ‘September Gold’ – China Tree – Golden Rain Tree – Varnish Tree – Pride of India – This slow growing, spreading tree from China, Korea and naturalized in Japan grows to 30-50’ feet tall and wide but usually less in cultivation. It has furrowed bark. It produces pinnate or bi-pinnate leaves to 18” long consisting of ovate-oblong, scalloped leaflets. Emerging leaves are pink-red, becoming mid green and the in autumn turn a butter yellow to orange. In late summer it bears small yellow flowers, ½” across carried in large panicles, to 12” long, followed by bladder-like, pink or red flushed fruit capsules, to 2” long.
Zones 6-9
