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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.
'Florida Variegata' is a compact medium-sized deciduous shrub with narrowly ovate, mid-green leaves edged with creamy-white, and clusters of funnel-shaped, light pink flowers
W. middendorffiana is an upright, deciduous shrub with bright green leaves and bell-shaped, pale yellow flowers in late spring to early summer, often with conspicuous throat markings that vary from light yellow-orange to dark orange-red
'Praecox Variegata' is a small, upright deciduous shrub with ovate, mid-green leaves broadly edged with creamy-white. Slightly fragrant, funnel-shaped rose-pink flowers are blotched yellow within
'Looymansii Aurea' is a deciduous shrub with golden-yellow leaves, greener where shaded, and pink flowers, paler within, from late spring
'Foliis Purpueis' is a small, spreading deciduous shrub with ovate, dull purplish-green leaves and clusters of funnel-shaped, rosy-pink flowers paler within
'Red Prince' is a compact, bushy, deciduous shrub growing to 1.5m tall with green, oval leaves. Narrow, bright red to dark pink tubular flowers, attractive to bees, are borne in late spring and early summer
Monet is a small, compact plant usually forming a low mound to only 60cm high and wide. Leaves have green centres surrounded by a band of white, the edges with a fine pink line and some pink flushing. Colour is best in good light. Flowers are pink, in late spring and early summer
'Mont-Blanc' is a bushy deciduous shrub with mid-green foliage and large white, slightly fragrant flowers which often become pink-tinged with age
D. × splendens is a suckering deciduous shrub with terminal clusters of sulphur-yellow flowers 1.5cm in length in summer
'Bristol Ruby' is a deciduous shrub of upright habit, with dark green leaves and dark crimson, bell-shaped flowers in late spring and early summer
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