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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:
H. vernicosa is a rounded shrub of compact habit, with small, very glossy dark green leaves and axillary racemes of small white or very pale blue flowers in early summer
'Nicola's Blush' is a rounded evergreen shrub with lance-shaped leaves to 4cm long, and racemes of magenta-pink flowers which fade to white
H. rakaiensis is a compact, rounded evergreen small shrub to 90cm in height, with small, bright green leaves and short spikes of white flowers from early summer
'Delight' is a low-growing semi-evergreen dwarf sub-shrub to 30cm, with strongly toothed, narrow-ovate leaves and erect racemes of small white flowers with conspicuous magenta veins
'Pewter Dome' is a compact, rounded dwarf evergreen shrub with grey-green, oblong leaves to 2cm long, and white flowers in dense spikes to 3cm long in early summer
'Oratia Beauty' is an evergreen shrub to 75cm tall, with elliptic, glossy dark green leaves to 6cm long, and short racemes of pink buds opening to white flowers, giving a bicoloured effect
'Red Edge' is a small evergreen shrub with oblong, blue-grey leaves which are margined with red, especially in winter. Flowers pale mauve fading to white, in short spikes
'Mrs Winder' is a spreading evergreen small shrub with narrow, dark green leaves, the youngest tinged with reddish-brown. Flowers small, violet-blue, in racemes to 7cm in length
'Neil's Choice' is a lax evergreen shrub with purplish stems bearing narrow leaves, the margins and midrib purple, and dense narrow racemes of violet flowers in summer and early autumn
'Blue Clouds' is a small evergreen shrub with glossy, narrowly oblong leaves, tinged with purple in winter. Small, light blue flowers are borne in spikes to 8cm in length in summer and autumn
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