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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. 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. hispida is an erect evergreen shrub of open habit, to 2.5m in height, with large ovate leaves and pendulous fluffy red catkin-like flowerheads to 45cm in length, produced sporadically throuhout the year
A. campestre is a medium-sized deciduous tree with a compact bushy crown. Leaves with 5 blunt lobes, turning yellow or red in the autumn. Flowers small, green, forming typical winged maple fruits
A. capillipes is a snakebark maple making a small deciduous tree with white-striped young branches and 3-lobed leaves to 12cm in length, red and yellow in autumn. Flowers green, in drooping racemes; attractive pink fruits
A. cappadocicum is a medium to large deciduous tree to 20m tall with a rounded, spreading crown. The five to seven-lobed, pointed, glossy green leaves turn a rich yellow in autumn; the leaf stalks exude a milky sap when broken. Clusters of small yellow-green flowers in early spring are followed by winged seeds
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