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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.
'Solar Power' is a clump-forming, evergreen perennial, 25 × 30cm, with lobed, yellow-green leaves mottled with dark red. Upright sprays of small, white, bell-shaped flowers appear from spring
'Stoplight' is a compact perennial forming a clump of maple-like, palmately-lobed yellow-green leaves, the main veins flushed with maroon, most intensely in spring. Summer leaves are more lime-green throughout. Small whitish flowers are borne on stems to 50cm tall in spring and early summer
'Gunsmoke' is a clump forming perennial, purple-red palmate leaves in spring turning silver with dark veins in late summer. Panicles of white flowers
'Fire Chief' is a mound-forming herbaceous perennial reaching a height of up to 50cm. Mid-sized, gently-lobed bright red leaves darken to wine-red through the summer, turning browner in autumn and winter. These are topped with airy sprays of small, bicoloured pink and white flowers on dark-red stems. Flowers from spring to autumn
'Alabama Sunrise' is a compact, evergreen, clump-forming perennial to 45cm high. Its deeply-lobed leaves emerge a golden-yellow with dark red veins, darkening to green in the summer before older leaves become tinted with orange-pink in the autumn. Sprays of small white flowers are held above the mounded foliage on slender stems in spring and summer
'Sweet Tea' is a compact perennial forming a clump of maple-like, palmately-lobed burnt orange leaves, the main veins flushed with maroon. Colour deepens toward summer, pales somewhat in autumn and winter. Small white flowers are borne on stems to 50cm tall in spring and early summer
'Kimono' is a compact perennial forming a clump of maple-like, palmately lobed silvery green leaves, the main veins flushed with dark bronze-purple; small pink flowers are borne on stems to 50cm in height in spring and early summer
'Brass Lantern' is a perennial to 60cm in height. The lobed leaves are tinted gold-bronze with dark red veining from spring to autumn, turning olive-green to brown in winter. Panicles of small, bell-shaped white flowers are held above the foliage on deep-red stems from spring to summer
'Golden Zebra' is a clump forming perennial with bright yellow feathery foliage boldly marked with deep red centre. Panicles of small white flowers in spring
Last-listed in the RHS Plant Finder in 2008
This plant is listed in the RHS Plant Finder book. At present our information about this plant is limited to a list of the nurseries that supply it. In time we will be adding more details including a description, growing information, advice and photographs.
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