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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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the RHS today and get 12 months for the price of 9
Other common names
Spiraea × arguta 'Grefsheim'
Spiraea are deciduous shrubs, sometimes suckering, with simple leaves and short racemes, panicles or corymbs of small, 5-petalled white or pink flowers in spring or summer
'Grefsheim' is a compact deciduous shrub with arching branches carrying small, lanceolate, greyish leaves and abundant white flowers 8mm in width, in small clusters along the branches
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, Chalk, Sand
pHAcid, Alkaline, Neutral
Time to ultimate height
Easy to grow in most moist soils, tolerant of all but the most extreme conditions. Especially suitable for mixed borders
Propagate by softwood cuttings in summer
Suggested planting locations and garden types
Low Maintenance Banks and Slopes Flower borders and beds
Cottage & Informal Garden
Pruning Pruning group 2. If overgrown, can be renovated by cutting back hard immediately after flowering
Pests Generally pest free
Generally disease free
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.