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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.
'Aztec' is a bushy plant to 45cm tall, with large white flowers, each petal with a bronze blotch
'Amber Queen' is a cultivar whose evergreen foliage is flushed red in the spring as new leaves emerge. Delicate sprays of flowers, borne from early to late spring, are bronze-yellow tipped with orange
Ernst is a bushy perennial with single, daisy-like flowers 2.5cm across, the rays yellow, tipped with bronze, the disk yellow
'Hamilton Lillian' grows to 1.2m in height, with divided leaves and pink-tinged, bronze flowers 13cm across
'Lakeland Sunset' is a cactus dahlia with flowers up to 15cm across in shades of yellow, orange and bronze
'Pennine Jude' is a half-hardy perennial to 1.1m in height, with divided foliage and anemone-centred flowers with bronze-yellow florets, the inner florets lemon-yellow
'Bronze Pennine Wine' is a half-hardy perennial to 90cm in height, with divided foliage and flowers 6cm in width, the reflexed bronze-yellow florets paler on the reverse
'Aurora' is a vigorous, deciduous shrub with a rather upright, vase-shaped habit, reaching 3.5 x 3.5m. The broadly oval leaves turn orange-yellow and red. Flowers are yellow, shaded bronze-red at the base of the petals. Very fragrant
'South American Bronze' has flowers in purple-bronze tones with a petal edges highlighted in white
'Hamari Gold' grows to 75cm in height, with divided leaves and flowers to 25cm in width, the florets deep golden-yellow with light bronze tints
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