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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:
'Pink Whirls' is an evergreen subshrub to 40cm in height, with lance-shaped, coarsely toothed leaves and purplish-pink, daisylike flowerheads 5cm across with ray florets pinched at the middle, spoon-shaped at tip; disk blue
O. jucundum is a rhizomatous perennial to 45cm in height, with narrow, aromatic grey-green leaves and solitary daisy-like, light pinkish-purple, dark-eyed flowers 5-6cm in width
'James Elliman' is a bushy perennial to 40cm tall, with broad, spoon-shaped basal leaves and reddish-purple flower heads 6cm wide, with a dark violet central disk, borne on reddish stalks from late spring to autumn
'Buttermilk' is an evergreen subshrub to 45cm in height, with oblanceolate leaves and daisy-like flowerheads to 7cm across, ray florets light yellow fading to white at base, disk florets bluish-purple
'Merriments Joy' is a robust perennial with light green, narrow leaves and 6cm in width pinkish-purple flowerheads with yellow centres
'Langtrees' is a bushy perennial with narrowly lance-shaped leaves and long-stalked flowers 6.5cm across, with purplish-pink rays and yellow disk
'Blackthorn Seedling' is a bushy perennial with narrow foliage and, from late spring to autumn, daisy-like flower-heads to 6cm across, with deep pink rays surrounding a yellow disk
'Silver Sparkler' is a spreading evergreen sub-shrub to 25cm tall, with narrowly oblanceolate leaves margined with creamy-white; white flowers 6cm across, violet at base, with a blue disk, open from late spring to autumn
'Hopleys' is a spreading perennial with olive-green, spoon-shaped leaves and flowerheads to 6cm across, the rays purplish-pink with a white base, the disk dark, becoming yellow
'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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