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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.
'Carbery Gold' is a slow-growing, prostrate, spreading shrub growing up to 90cm tall and 200cm wide. Elegant, arching branches have flat, scale-like, yellow leaves which may turn more golden-yellow in winter
'Blue Star' is a compact, bun-shaped evergreen conifer making a dwarf shrub of dense growth. Foliage bright blue-grey
'Wiltonii' is a wide-spreading prostrate evergreen conifer forming a mat 2-3m across. Foliage blue-grey, not bronzed in winter
J. communis is an evergreen dioecious shrub, varying from spreading to columnar or bushy in habit, with aromatic, needle-like grey-green leaves and small ovoid green fruits ripening to black
'Obelisk' is an evergreen conifer making a small tree of dense, irregularly columnar habit. Foliage dark blue-green, juvenile, with needle-leaves to 15mm in length
'Pfitzeriana Aurea' is a vigorous, spreading evergreen shrub with low, arching branches bearing a mixture of prickly and scale-like leaves, bright golden-yellow becoming greenish-yellow where shaded and in winter
'Tamariscifolia' is an evergreen conifer to 1.5m tall and 2.5m wide, with prickly dark green foliage arranged on wide-spreading, overlapping branches
'Skyrocket' is a narrowly columnar evergreen conifer to 6m, with grey-blue foliage
'Hornibrookii' is a vigorous prostrate, evergreen conifer spreading to 2m or more. Foliage needle-like and prickly, grey-green with silvery-blue undersides
'Aurea' is a fairly slow-growing, small evergreen tree of narrowly conical habit. Foliage golden-yellow, mostly adult scale-leaves with some juvenile needle leaves. Male cones small, yellow, often abundant
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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.