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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.
C. grandiflora is a vigorous climber with mid- to dark green leaves comprising seven to nine leaflets. From late summer to autumn produces terminal clusters of dark orange to red, trumpet-shaped flowers
C. radicans is a vigorous self-clinging woody climber growing to 10m, with pinnate leaves and bright orange or red, trumpet-shaped flowers 8cm long, borne in clusters in late summer and autumn
C. radicans f. flava is a large, vigorous deciduous climber with strongly toothed leaflets and trumpet-shaped, deep yellow flowers to 8cm in length
'Madame Galen' is a large, strong-growing deciduous climber with aerial roots. Leaves pinnate, with up to 15 small leaflets. Flowers tubular, reddish-orange, with limb to 8cm in width
Listed in the RHS Plant Finder
This plant is listed in the RHS Plant Finder book. At present our information about this plant is limited to a list of the nurseries that supply it. In time we will be adding more details including a description, growing information, advice and photographs.
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