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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:
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
'Ballerina' is a vigorous hybrid French lavender introduction from New Zealand. An evergreen shrub of upright habit, with aromatic silvery grey-green foliage. Purple flowers in dense aromatic spikes borne on stems 30cm high are topped by conspicuous white bracts which flush pink-purple with age. Flowers over a long period from late spring and through summer
'Kew Red' is a compact, bushy shrub to 50cm, with striking colouring. Flowers are very deep pink to red, calyces dark purple, while the sterile bracts are pale pink. Needs a sheltered position and protection from cold winds
'Hidcote Giant' is a bushy evergreen shrub to 1m tall, with narrow, grey-green leaves and long-stalked spikes of violet-blue flowers in summer
'Loddon Pink' is a compact bushy shrub with narrow greyish leaves and short, fragrant, dusky pink flower spikes in summer
'Imperial Gem' is a compact evergreen shrub with narrow grey-green leaves and fragrant spikes of deep purple flowers in summer
'Richard Gray' is a compact evergreen shrub to 50cm, with relatively broad, silvery-grey foliage and spikes of deep purple flowers
L. pedunculata subsp. pedunculata is a bushy evergreen shrub with narrow, grey-green leaves, and small violet flowers in long-stalked, dense ovoid heads tipped with large purple bracts
'Sawyers' is a bushy evergreen shrub to 60cm, with linear, silvery-grey-green leaves and spikes of light purple flowers in mid summer
Melissa Lilac is a hardy shrub, that reaches around 60cm in height, with grey-green foliage and scented flower spikes from mid summer until autumn. Flowers are dark purple in bud, opening to a much lighter mauve, giving a two-tone effect
'Munstead' is a compact evergreen shrub, to 45cm tall, with narrow, grey-green foliage and spikes of small, highly-fragrant, blue-purple flowers in mid to late summer
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