Wisteria floribunda 'Issai-naga'

Large, vigorous, deciduous climber about 9m tall, with twining stems, and green leaves divided into leaflets, that turn butter-yellow in autumn. Drooping racemes to 30cm long, of scented, pea-like, mauvish-blue flowers, marked violet-mauve, produced in late spring, often followed by bean-like velvety, blue-grey seed pods 15cm long. Free-flowering from a young age