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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:
'Sungold' is a large deciduous shrub with arching branches bearing narrow, dark green leaves and rounded clusters of sweetly scented orange-yellow flowers in summer and autumn
B. lindleyana is a deciduous shrub with ovate leaves to 20cm long, and curved, tubular, violet flowers 2cm long, borne in lax slender panicles at the ends of the branches in late summer
B. asiatica is an arching, evergreen shrub with widely-spaced, dark green leaves 30cm long, felted grey on the undersides. The tiny, white flowers in long, narrow spikes are sweetly scented and appear in late winter and early spring
'Nanho Purple' is a compact shrub with lance-shaped leaves and fragrant, light purple flowers in dense cylindrical panicles in summer and autumn
B. alternifolia is a vigorous large deciduous shrub which can be trained into a small tree, with arching branches bearing narrow, grey-green leaves and sweetly scented lilac-purple flowers, borne in clusters along the previous year's shoots
'Dartmoor' is a large, vigorous, deciduous shrub with arching branches bearing lance-shaped leaves, white beneath. Flowers scented, light purple, in broad, branching panicles at ends of current year's shoots
B. salviifolia is a semi-evergreen shrub of arching habit, with finely wrinkled, lance-shaped, grey-green leaves and narrow panicles of small pale mauve flowers, orange in the throat, in autumn and early winter
Camberwell Beauty is a compact and free-flowering shrub with abundant, fragrant purple flowers through the summer
B. globosa is a large semi-evergreen or deciduous shrub to 5m, with dark green leaves and dense globose heads 2cm across of sweet-scented bright orange-yellow flowers in loose clusters at branch tips in early summer
'Nanho Blue' is a deciduous shrub with neat, narrowly lance-shaped leaves and slender cylindrical panicles of light blue flowers in summer and autumn
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