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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
water hyacinth Cape asparagus
Cape pondweed hawthorn-scented pondweed water hawthorn winter hawthorn
Aponogeton are submerged rhizomatous perennials with simple, floating leaves and small, white flowers in forked racemes or panicles held just above the surface
A. distachyos is a deciduous or partially evergreen perennial with elliptic or lance-shaped floating leaves and forked racemes of small, fragrant white flowers with purple anthers, held just above the water surface
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 or East-facing
Exposure Sheltered or Exposed
SoilSand, Clay, Loam
pHNeutral, Acid, Alkaline
Up to 10 cm
Time to ultimate height
Grow in water 30-90cm deep in full sun or partial shade. This plant is listed on Schedule 3 of the EU (Birds and Natural Habitats) Regulations 2011 in the Republic of Ireland as an invasive non-native species. While this does not prevent it from being sold or from being grown in gardens in the Republic of 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 the Republic of Ireland to find alternative plants to grow to those listed on Schedule 3
Propagate by seed sown as soon as ripe or by rhizome division in spring
Suggested planting locations and garden types
Pruning Cut back after flowering
Pests Water snail may cause damage
Generally disease free
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
Buy from £17.99 at the RHS Plants Shop
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