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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.
'Jack Drake' is a low, spreading dwarf evergreen shrub to 15cm tall, with small, dark green ovate leaves. Flowers urn-shaped, to 10mm long, deep ruby-red, in erect racemes in late spring and early summer
'William Buchanan' is a compact, spreading dwarf evergreen shrub with small dark green leaves and erect racemes of deep red-purple, urn-shaped flowers from late spring to autumn
'Waley's Red' is a spreading dwarf evergreen shrub with small, dark, glossy ovate leaves. Bell-shaped magenta-purple flowers to 10mm in length, in long racemes
'Barbara Phillips' is a dwarf evergreen shrub with dark green foliage and loose racemes of reddish-purple flowers from mid summer to late autumn
'Bicolor' is a spreading evergreen dwarf shrub with small ovate dark green leaves and long racemes of urn-shaped flowers 10mm in length, which may be purple, white or striped with both colours
'Rodeo' is a bushy, rather upright evergreen shrub to 40cm tall, with bright green leaves and pale pink flowers from summer to late autumn
'Silverwells' is a compact, spreading dwarf evergreen shrub to 15cm in height, with small, dark green leaves and erect racemes of white, urn-shaped flowers to 10mm in length from late summer to early autumn
Last-listed in the RHS Plant Finder in 2014
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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Britain’s best gardening annual, available now from RHS Mail Order and all good bookshops.
Last-listed in the RHS Plant Finder in 2018
Last-listed in the RHS Plant Finder in 2017
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