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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:
'Gimbornii' is an evergreen conifer forming a medium-sized dense globose shrub. Foliage blue-green, tinged purple in winter, in short sprays
'Ellwoodii' is a fairly slow-growing large evergreen shrub of columnar habit, with grey-green to blue-green, semi-juvenile foliage in short soft sprays
'Green Hedger' is an evergreen conifer of dense growth and conical habit, making a medium-sized tree with rich green foliage, retaining the lowest branches well
'Chilworth Silver' is a slow-growing medium-sized evergreen shrub of broadly columnar habit, with dense, soft sprays of bright silvery-blue, semi-juvenile foliage
'Kilmacurragh' is an evergreen conifer of narrowly columnar growth, making a medium-sized tree. Foliage dense, dark green, on short, ascending branches
'Lutea Nana' is a slow-growing evergreen conifer making a medium-sized shrub of narrowly conical habit. Foliage golden-yellow, in dense, short sprays
'Pembury Blue' is an evergreen conifer making a medium-sized tree of broadly conical outline, with pendulous sprays of bright silvery-blue foliage, especially when young
'Minima Glauca' is a dwarf evergreen conifer forming a small globose shrub with dense, vertical sprays of dark blue-green foliage
'Erecta Viridis' is a columnar tree to 20m, with erect branches bearing flat, upright sprays of rich green foliage
'Summer Snow' is a slow-growing, bushy, evergreen conifer of conical outline, with bright cream young foliage turning green
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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.
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