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All ratings refer to the UK growing conditions unless otherwise stated. Minimum
temperature ranges (in degrees C) are shown in brackets
AGM plants have been through a rigorous trial and assessment programme. They are:
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
'Shiro-kapitan' is an anticlockwise twining cultivar. The leaves are up to 35cm long with about 11 downy leaflets. Flowers in hanging sprays 10-15cm long are white with a central yellow stain and highly scented . The bean-like seedpods are velvety and up to 20cm long
'Prolific' is a vigorous, nitrogen-fixing deciduous climber up to 9m high with stems twining anticlockwise, pinnate leaves of 9-13 elliptic or ovate leaflets, and many very fragrant, soft blue-violet flowers in dense, hanging racemes 25-30cm long in late spring and early summer, often followed by bean-like seed pods; it often flowers from a young age, and the flowers are visited by bees in bright or warm weather
W. sinensis f. alba is a large deciduous climber with twining stems, pinnate leaves and short racemes of fragrant, pure white, pea-like flowers opening before the new leaves
'Caroline' is a vigorous climber, twining clockwise and blooming before the leaves open. The pale blue-purple flowers are borne in dense trusses up to 30cm long, from a relatively young age
'Domino' is a clockwise-twining cultivar. The scented flowers are lilac blue, produced in short trusses about 20cm long, in early summer
W. sinensis is a large deciduous climber with twining stems, dark green, pinnate leaves and drooping racemes to 30cm in length, of fragrant, mauve or lilac-coloured flowers opening before the leaves
'Jako' is an anticlockwise-twining cultivar. The white flowers are produced in late spring or early summer, before the leaves open, and are strongly fragrant. Velvety green, bean-like seed pods follow
'Amethyst' is an anticlockwise-twining cultivar. The flowers are produced in late spring or early summer, before the leaves open, and are strongly fragrant, reddish- violet with a yellow blotch inside. Velvety green bean-like seed pods follow. The leaves have around 11 leaflets, and emerge deep bronze
'Kokury?' is a clockwise-twining cultivar. The scented flowers are violet, produced in hanging racemes up to 50cm long, in early summer
'Burford' is a clockwise-twining cultivar. The scented flowers are pale violet, with a deeper purple keel and wings, produced in hanging racemes up to 40cm long, in early summer
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