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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.
© RHS 2003
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Other common names
Japanese quince 'Knap Hill Scarlet'
Chaenomeles are deciduous, usually spiny shrubs with simple leaves and cup-shaped, 5-petalled flowers, solitary or clustered, in spring, followed by edible often fragrant green or yellow fruits
'Knap Hill Scarlet' is a spreading small deciduous shrub, with glossy obovate leaves to 5cm in length. Flowers to 4cm in width, bright orange-scarlet. Fruits yellow, apple-shaped, fragrant when ripe
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 South-facing or East-facing or West-facing
Exposure Exposed or Sheltered
MoistureWell-drained, Moist but well-drained
SoilChalk, Clay, Sand, Loam
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow in well-drained soil in sun or partial shade
Propagate by semi-hardwood cuttings
Suggested planting locations and garden types
Low Maintenance Wall-side Borders
Cottage & Informal Garden
Pruning Pruning group 2
Pests Can get brown scale and aphids
Fireblight may be a problem
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.
Join the RHS today and get 12 months for the price of 9