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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:
'John Tomlinson' is an erect, open-habited medium-sized evergreen perennial with narrow grey-green leaves and large rounded heads of bright yellow-green flowers
'Lambrook Gold' is a substantial, evergreen sub-shrub to 1.5m in height and spread. The leaves are grey-green and the flowers and bracts, carried in large, cylindrical clusters, are golden green
E. characias subsp. wulfenii is an erect, sparsely-branched medium-sized sub-shrub with oblong, grey-green leaves and large, rounded heads of greenish-yellow flowers
'Humpty Dumpty' is a compact, evergreen perennial to 60cm, with grey-green leaves and terminal clusters of bright, yellow-green flowers with a dark red eye
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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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