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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.
the RHS today and get 12 months for the price of 9
Other common names
mountain ash 'Joseph Rock'
Sorbus can be deciduous trees or shrubs with simple or pinnate leaves and clusters of small white or pink flowers, followed by white, yellow, pink, red or brown berries; some have fine autumn colour
'Joseph Rock' is an upright tree with pinnate leaves which turn orange, red and purple in autumn, contrasting with the butter-yellow berries
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect North-facing or East-facing or South-facing or West-facing
Exposure Sheltered or Exposed
MoistureWell-drained, Moist but well-drained
SoilLoam, Sand, Clay
Time to ultimate height
Grow in moderately fertile, humus-rich soil. Tolerant of atmospheric pollution; ideal specimen tree in small garden
Propagate by softwood cuttings in early summer, chip budding in summer or grafting in winter
Suggested planting locations and garden types
Pruning Pruning group 1
Pests May be attacked by aphids, blister mites and sawflies
May be affected by apple canker, honey fungus and fireblight
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
mountain ash 'Joseph Rock'
Buy from £74.99 at the RHS Plants Shop
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Join the RHS today and get 12 months for the price of 9