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We have combined these two powerful search tools into a single Find a Plant service searching over 250,000 plant records.
Virtually all of the features of the old searches are still available and in addition we have added several new features to create a more comprehensive and user friendly search experience.
When using this search
Search by plant name, key attributes or both to find plant details and a list of
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.
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Other common names
box elder ash-leaved maple
Acer negundo 'Violaceum'
Acer can be deciduous trees or large shrubs with paired, often palmately-lobed leaves and small flowers followed by characteristic winged fruits. Many have fine autumn colour, and some have ornamental stems
A. negundo var. violaceum is a medium-sized, bushy-headed, deciduous tree. Young shoots are a purple colour and are covered in a white bloom. Leaves, comprised of 5-7 leaflets, emerge bronze-green becoming greener as they mature. In spring, male plants bear prominent pink-purple, tassel-like flowers
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect West-facing or East-facing or South-facing or North-facing
MoistureMoist but well-drained, Well-drained
SoilChalk, Clay, Loam, Sand
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow in a moist but well-drained soil
Propagate by seed or grafting
Suggested planting locations and garden types
Architectural Cottage & Informal Garden
Pruning Pruning group 1
Pests Aphids and horse chestnut scale may be a problem
Verticillium wilt may be a problem
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.