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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. multiflorus is an erect, medium-sized deciduous shrub with slender, greyish shoots bearing small creamy-white flowers in great profusion in late spring and early summer
C. x kewensis is a small, prostrate deciduous shrub with arching branches. Leaves small, trifoliate; flowers cream in late spring
A. battandieri is a medium-sized deciduous shrub of rounded habit with trifoliate silvery-grey leaves which are very silky when young. Flowers yellow, in erect clusters to 12cm in length, scented of pineapple
'Burkwoodii' is a small deciduous shrub with erect shoots bearing deep crimson flowers with light red keel, and yellow edges to the wings
G. canariensis is a vigorous evergreen shrub to 3m, of bushy, upright habit, with small, trifoliate leaves and slender terminal racemes of fragrant bright yellow flowers in spring and summer
'Albus' is a compact, deciduous shrub with small leaves and arching shoots that remain green all winter. Produces abundant small, white flowers in mid- to late spring
C. scoparius f. andreanus is a vigorous small deciduous shrub with small leaves and dark green shoots. Flowers with deep brownish-red wing petals and red veins on the yellow standard, opening in late spring
C. ardoinoi is a low, spreading deciduous shrub to 12cm in height, forming low mats with small, trifoliate leaves. Flowers bright yellow, 12mm in length, in leaf axils
'Windlesham Ruby' is a rounded, bushy, deciduous shrub with tiny leaves and slender, arching shoots that remain green in winter. Rich, pinky-red, flowers smother the shoots in late spring and early summer
'Boskoop Ruby' is a small deciduous shrub of rounded habit with abundant, deep crimson flowers on upright shoots in late spring and early summer
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