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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:
A. alpinus is an herbaceous perennial forming a clump to 30cm in height, with narrow dark green leaves and daisy-like flowerheads to 5cm in width, with blue-violet rays and a yellow centre
R. hosmariense is a woody-based spreading perennial to 30cm in height, with silvery leaves divided into narrow segments, and solitary yellow-centred white daisies held just above the foliage
E. purpurea is an upright perennial with coarsely hairy, ovate or lance-shaped leaves and solitary flower-heads to 12cm across with slightly reflexed, light purple rays and brown central disk
'White Pim' is a prostrate evergreen subshrub forming a mat to 20cm in height, with oblanceolate leaves 6-8cm in length, and solitary daisy-like flowerheads 6cm in width, the rays florets white, tinged purple beneath
'Romi Red' is a perennial grown as a biennial, with a rosette of spoon-shaped, dark green leaves, and pompon-like, fully double, light crimson flower-heads 5-6cm across, in spring and summer
A. montana is a low evergreen perennial forming a loose mat to 30cm in width, of small, rich green, elliptic leaves, with erect stems to 10cm in height, each carrying a few pure white flowers 1.5-2cm in width in early summer
'Aglaia' is a perennial forming a clump to 60cm in height, with narrow, dark glossy green leaves and semi-double white flowers 10-12cm in width, with a trace of yellow in the centre
'Dresden China' is a robust perennial, often used for bedding, with very double, rosette-like, pink flower-heads 3cm across, over a long period in spring and summer
'Stardust' is an evergreen perennial with striking flowers with purplish-red ray florets, which are mauve on the underside, for a long period over the summer
'Lady Leitrim' is a spreading perennial with narrow, dull grey-green leaves and flower-heads 6.5cm across, the rays white, with age becoming tinged with purplish-pink at base and tip, surrounding a yellow disk
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