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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.
Ernst is a bushy perennial with single, daisy-like flowers 2.5cm across, the rays yellow, tipped with bronze, the disk yellow
'Pennine Jade' is a half-hardy perennial to 1.2m in height, with divided foliage and single flowers 8cm across, with yellow disk and light bronze ray florets
'Myss Madi' is a half-hardy perennial to 90cm in height, with light bronze flowers, the florets paler on the reverse
'Salmon Talbot Parade' is a half-hardy perennial, with 8cm in width, light bronze flowers tinged with light yellow; reverse creamy-yellow
'Nuflair' is a half-hardy perennial to 1.4m in height, with long-stemmed, deep bronze-red flowers 13cm in width, reverses creamy-yellow
'Lismore Willie' grows to about 1.2m, and has double flowerheads, the pale yellow rays shaded with bronze on the outside
'Fairway Spur' is a green-leaved cultivar to around 1.2m tall. It bears peachy-pink flowerheads which, if disbudded, can be up to 35cm across
'Spartan Canary' is a herbaceous perennial reaching about 70cm tall. The flowers are soft, yellow-bronze in early to mid autumn
'South American Bronze' has flowers in purple-bronze tones with a petal edges highlighted in white
'Aztec' is a bushy plant to 45cm tall, with large white flowers, each petal with a bronze blotch
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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.