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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.
'Jenkyn Place' is a bushy evergreen shrub to 1.5m, with narrow, dark leaves and white flowers 7cm across, with a maroon blotch at the base of each petal
'Thrive' is a compact, rounded, evergreen shrub to 60cm tall with dark green, small, narrow leaves. White flowers with a yellow centre are borne freely during summer
C. laurifolius is a vigorous medium-sized evergreen shrub to 2m, of open habit, with sticky, dull grey-green ovate leaves, and white flowers to 8cm in width
'Jessamy Beauty' is a fast-growing and hardy evergreen shrub of spreading habit, to 70cm tall, with narrowly lance-shaped or oblong leaves and white flowers 7cm wide, each petal with a red blotch at the base
x H. sahucii is a dense, low-growing dwarf evergreen shrub with narrow, dark green leaves and pure white flowers 2.5cm in width, with yellow stamens
'Gordon Cooper' is a vigorous spreading evergreen shrub with lance-shaped leaves and white flowers to 5cm across, with a prominent deep maroon blotch at the base of each petal
C. x aguilarii is a rounded, evergreen shrub to about 1.2m with narrow, wavy-edged, bright green leaves to 10cm long. Pure white flowers up to 8cm across, with a small boss of golden stamens, are produced in summer
'Snow Fire' is a dense rounded evergreen shrub to 60cm in height, with lance-shaped leaves and white flowers to 6cm across, each petal with a maroon blotch at the base
'Ingwersenii' is a dwarf but wide-spreading, evergreen shrub to 45cm tall with linear, dark green and hairy leaves. Pure white flowers to 3.5cm across are borne over a long period from late spring to late summer
'Sunset' is a low spreading shrub with wavy, grey-green leaves and clusters of yellow-centred, rose-pink flowers 5cm across
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We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.