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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
water soldier crab's claw
freshwater soldier knight's pondwort knight's wort knight's woundwort soldier's yarrow wading pondweed water aloe water houseleek water sengreen water soldiers
Stratiotes are vigorous, dioecious, submerged aquatic perennials forming stalkless rosettes of toothed, sword-shaped leaves, with white or pinkish 3-petalled flowers, the females solitary, the males in small clusters
S. aloides is a stoloniferous perennial forming rosettes of narrow, sharp-pointed leaves to 45cm in length, with white flowers, 3cm across, in summer
Europe, N Asia
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
SoilSand, Clay, Loam
Up to 10 cm
Time to ultimate height
Grow in slightly akaline water, deeper than 30cm in full sun. This plant is listed on Schedule 9 of The Wildlife (Northern Ireland) Order (1985), as amended, as an invasive non-native species. While this does not prevent it from being sold or being grown in gardens in Northern Ireland, the RHS encourages those that do grow it to take great care with managing it and with disposing of unwanted material. The RHS also encourages gardeners in Northern Ireland to find alternative plants to grow to those listed on Schedule 9. For suggested alternative plants see the Plantlife/RHS guide, Gardening without harmful invasive plants
Propagate by removal of plantlets
Suggested planting locations and garden types
Pruning Remove runners to restrict spread
Pests Generally pest free
Generally disease free
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
Buy from £7.99 at the RHS Plants Shop
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.