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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
While we update our systems with the new hardiness ratings you may still see old
hardiness ratings in your search results. These are denoted as 'Old'.
For full details of the hardiness ratings see
AGM plants have been through a rigourous trial and assessment programme. They are:
'Rachel' forms a clump of slightly ruffled, reddish-purple leaves to 10cm across, with sprays of small, light pink flowers in early summer
'Greenfinch' is a clump-forming perennial with rounded and shallowly lobed leaves and yellowish-green flowers on spikes to 1m tall
'Alba' forms a neat clump of lobed, mid-green leaves, marbled with silvery-grey, and has small bell-shaped white flowers in summer
'Chocolate Ruffles' makes a compact clump of ruffled, brownish-red leaves 10cm long, with purple undersides and tall sprays of small white flowers in early summer
'Strawberry Swirl' is a clump-forming perennial with ruffled, angular, green leaves lightly marbled with silver, and tall loose sprays of small pink flowers
'Stormy Seas' forms a neat clump of ruffled, greenish-bronze leaves with paler marbling and with purple undersides, becoming greener in summer, with tiny pale green flowers in loose sprays
'Raspberry Regal' is a perennial with rounded leaves and erect stems bearing fat spikes of bright pink flowers in summer
'Chocolate Veil' is an evergreen perennial making a clump of broad, rounded, brownish-bronze leaves to 15cm wide, with tall sprays of tiny off-white flowers
'Leuchtk�fer' makes a neat clump of rounded, green leaves with small bright red flowers in early summer
'Plum Pudding' forms a compact clump of lobed, deep beetroot-purple dusted with silvery-grey, and slender stems to 60cm bearing insignificant white flowers
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