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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
D. sessilifolia is a thicket-forming shrub, spreading by suckers. The mid-green leaves are up to 18cm long, oval with tapered tips, and bronze tinged when young. Small clusters of sulphur-yellow, trumpet-shaped flowers with protruding stamens are produced in summer
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
'Mango' is a compact, rounded shrub to 1m tall with ovate leaves. From late spring to early summer, open clusters of bell-shaped, creamy-yellow flowers with orange to pink throats are borne
'Foliis Purpueis' is a small, spreading deciduous shrub with ovate, dull purplish-green leaves and clusters of funnel-shaped, rosy-pink flowers paler within
'Minuet' is a compact, deciduous, spreading shrub to 0.75m high with purple-tinged, dark green, oval leaves. Lightly fragrant, dark pink flowers with yellow throats are borne in late spring and early summer
'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
Moulin Rouge is an upright, deciduous shrub to 2.5m. The mid-green leaves have an irregular yellow border, and the bright, pinky-red, trumpet-shaped flowers appear in late spring and early summer
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