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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 2002
the RHS today and get 12 months for the price of 9
Other common names
Houttuynia are rhizomatous perennials with pungently orange-scented, heart-shaped leaves and tiny yellow flowers in spikes with usually 4 prominent white bracts at the base
H. cordata is a wide-spreading herbaceous perennial to 30cm in height, with dull blue-green leaves and dense flower spikes in late spring
E Himalaya to Japan
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect South-facing or West-facing
Exposure Sheltered or Exposed
MoisturePoorly-drained, Moist but well-drained
SoilSand, Clay, Loam
pHNeutral, Acid, Alkaline
Time to ultimate height
Tolerant of a range of soils from dry to wet in sun or shade. Can be prone to spreading, especially in wet soils, by underground stems; ideal for containers where its spread can be restricted
Propagate by seed or division in spring or take semi-ripe cuttings of young basal shoots
Suggested planting locations and garden types
Flower borders and beds Garden Edging Low Maintenance
Cottage & Informal Garden
Pruning Divide regularly to limit spread
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.