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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:
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
'Langtrees' is a bushy perennial with narrowly lance-shaped leaves and long-stalked flowers 6.5cm across, with purplish-pink rays and yellow disk
'Merriments Joy' is a robust perennial with light green, narrow leaves and 6cm in width pinkish-purple flowerheads with yellow centres
'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
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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.
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