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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.
A. chinensis is a compact deciduous shrub with neat, oval, dark green leaves and clusters of slightly fragrant white flowers in summer and autumn
A. engleriana is a semi-evergreen shrub with somewhat arching stems and mid-green foliage, the undersides of which, along with juvenile growth, is tinged bronze. The abundant funnel-shaped, lilac-pink flowers have an eye-catching streak of golden-yellow on the lower petal and throat. Flowers are produced from early to late summer
A. distichum is a scrambling deciduous shrub with slender branches bearing dark green leaves and racemes of forsythia-like, fragrant white or pale pink flowers 1cm across
A. microphylla is an evergreen perennial with prostrate rooting stems and small, pinnate leaves tinged bronze when young. Globular whitish flowerheads, on short stems, are followed by attractive reddish burrs 2.5cm in width
A. saccaticupula is a vigorous, evergreen perennial producing pinnate leaves, to 8cm long, grey-blue with 9-13 leaflets. Spherical white flowerheads are followed by dark red burrs to 2cm across, with pinkish-red spines in midsummer
A. hispida is an erect evergreen shrub of open habit, to 2.5m in height, with large ovate leaves and pendulous fluffy red catkin-like flowerheads to 45cm in length, produced sporadically throuhout the year
A. mollis is a vigorous plant with large, glossy dark green leaves, pinnately lobed and, in late summer, tall racemes of white flowers with dusky purple bracts
A. spinosus is a handsome herbaceous perennial to 1.2m, with large, deeply lobed and spine-tipped, dark glossy green leaves. Erect spikes of white flowers with spiny purplish bracts in late spring and summer
A. campestre is a medium-sized deciduous tree with a compact bushy crown. Leaves with 5 blunt lobes, turning yellow or red in the autumn. Flowers small, green, forming typical winged maple fruits
A. capillipes is a snakebark maple making a small deciduous tree with white-striped young branches and 3-lobed leaves to 12cm in length, red and yellow in autumn. Flowers green, in drooping racemes; attractive pink fruits
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