Description
Laburnum – Golden Chain Tree –
There are 2 species of deciduous tree in this genus. They occur from woodland and thickets in the mountains of Central and Southern Europe and Western Asia. They are grown for their profuse, pendent, usually axillary racemes of pea like flowers, borne in late spring and early summer. Flowers are followed by brown seed pods. The leaves are alternate and 3 palmate. Useful in a small garden as specimen trees or to form a pergola. All parts are highly toxic if ingested.
Grow in moderately fertile, well drained soil in full sun.
Prone to leaf spot, canker, twig blight, tip dieback, aphids, mealy bugs, leaf miners insects, and snails.
L. x watereri – Voss Laburnum – This spreading tree is a cross between L. alpinum and L anagyroides is the most commonly grown and grows 25′ feet tall and wide. It produces virtually hairless young shoots, and dark green leaves, composed of 3 elliptic-obovate leaflets, to 3″ long. In late spring and early summer it bears fragrant, rich yellow flowers in dense racemes to 20″ long.
Zones 6-8
