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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.
A. chinensis is a compact deciduous shrub with neat, oval, dark green leaves and clusters of slightly fragrant white flowers in summer and autumn
A. engleriana is a semi-evergreen shrub with somewhat arching stems and mid-green foliage, the undersides of which, along with juvenile growth, is tinged bronze. The abundant funnel-shaped, lilac-pink flowers have an eye-catching streak of golden-yellow on the lower petal and throat. Flowers are produced from early to late summer
A. distichum is a scrambling deciduous shrub with slender branches bearing dark green leaves and racemes of forsythia-like, fragrant white or pale pink flowers 1cm across
A. fraseri is a medium-sized tree, to 15m tall, forming a narrow, conical crown. Flattened, short leaves 1-2cm long are a shining dark green above with two white bands below and are densely borne on resinous stems. Cylindrical cones, 3.5-7cm long, are dark purple when young maturing to brown with conspicuously-protruding bracts that bend downwards hiding the scales
A. koreana is a compact tree of conical outline, with dark green needle-like leaves white beneath, and handsome blue or purple cones often borne on young trees
A. nordmanniana is an evergreen conifer making a large tree to 30m or more, with narrow conical or columnar crown, with dense, glossy dark green foliage on down-swept branches. Young cones green or reddish, becoming brown
'Glauca' is an evergreen conifer making a slow-growing medium tree with blunt grey-green needles arranged all round the shoot. Cones pale green or purple when young, ripening brown
A. procera is a vigorous evergreen conifer forming a large tree with broadly conical crown and upcurved blue-green needles. Cones large, deep purple-brown when young
'Glauca Prostrata' is a beautiful blue-grey conifer which grows as spreading ground cover
A. megapotamicum is a deciduous or partially evergreen, medium-sized shrub to 2m, with tapering, narrowly ovate leaves, and pendulous, bell-shaped flowers with yellow petals and large crimson calyx, in summer and autumn
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