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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.
Other common names
water violet featherfoil
water featherfoil water gilliflower water milfoil
Hottonia are submerged aquatic perennials with finely pinnatisect leaves and erect stems bearing whorls of primula-like, lilac or white flowers in a terminal racemes
H. palustris is an aquatic perennial with whorled, feathery leaves and pale purple flowers held above the water in late spring
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 Exposed or Sheltered
SoilClay, Loam, Sand
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow in the muddy bottom of a pool in clear, shallow water in full sun
Propagate by division in spring or by seed
Suggested planting locations and garden types
Pruning No pruning required
Pests Can get false leaf-mining midge. Filamentous algae may smother foliage
Generally disease free
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.