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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.
'Georgeham' is a small, evergreen shrub that bears thin-petalled, pink flowers with a central boss of yellow stamens surrounded by a cream ring, in late spring and early summer
'Henfield Brilliant' is a vigorous, spreading evergreen shrub to 30cm in height, with dark grey-green leaves and single, bright orange flowers to 3cm in width in late spring and early summer
'Amy Baring' is a low-growing evergreen shrub forming spreading mats to 12cm high, with narrow elliptic leaves. Flowers single, deep yellow with an orange centre, borne in racemes from late spring
H. nummularium is a low, spreading evergreen shrub with tiny, oval leaves and sulphur yellow flowers produced from late spring to early autumn
'The Bride' is a spreading evergreen shrub to 25cm in height, with narrow, silvery-grey leaves and single, cream flowers with yellow eye
'Cerise Queen' forms hummocks of silvery-green, evergreen foliage reaching around 30cm in height. Double flowers of strong pink, with yellow centres, and tissue-textured petals are borne from spring through to mid-summer
'Fire Dragon' is a spreading evergreen shrub to 30cm in height, with narrow grey-green leaves. Flowers single, bright orange-red, redder in centre, borne in late spring and early summer
Vigorous, spreading evergreen shrub to 30cm tall, with silvery-grey oblong leaves. Flowers single, 3cm wide, pale pink with an orange-yellow centre
'Wisley Primrose' is a vigorous evergreen shrub with elliptic grey-green leaves and single, primrose-yellow flowers with a darker centre
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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