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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.
'White Cloud' A clump forming perennial with pale green palmate velvety foliage. Long panicles of small pure white flowers
H. sanguinea is a clump-forming, semi-evergreen perennial to around 30cm with rounded, shallowly lobed, dark green leaves with pale green marbling. In summer bears small, red, tubular flowers in open sprays on fine, upright stems
'Palace Purple' forms a mound of sharply lobed, metallic bronze-purple leaves, with loose panicles of small pale pink flowers in early summer. Shortlisted for the Chelsea Plant of the Centenary for the decade 1983-1992
'Alba' forms a neat clump of lobed, mid-green leaves, marbled with silvery-grey, and has small bell-shaped white flowers in summer
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.
Over 72,000 plants and where to buy them
Britain’s best gardening annual, available now from RHS Mail Order and all good bookshops.
Last-listed in the RHS Plant Finder in 2004
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