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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.
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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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Other common names
waterlily 'Marliacea Rosea'
Nymphaea are rhizomatous, submerged aquatic perennials with floating, rounded leaves and showy, sometimes fragrant, cup- or bowl-shaped flowers in a wide range of colours, held on or above the water and followed by submerged, berry-like fruits
Hardy Nymphaea are aquatic perennials with rounded floating leaves and showy flowers on or just above the water, with numerous narrow petals and conspicuous stamens, in white and shades of yellow, pink and red
'Marliacea Rosea' is an aquatic perennial with rounded leaves, to 20cm across, with cup- to star-shaped flowers, up to 12cm across, in a uniform pale pink, with yellow stamens
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
pHAcid, Alkaline, Neutral
Up to 10 cm
Time to ultimate height
Grow in undisturbed water in full sun. Plant in baskets in loamy soil with crowns just below soil surface and covered with pea shingle. Position basket so that it is covered by 15-25 cm of water, as the plants establish lower the plants to twice the initial planting depth. Feed during the growing season with a proprietary aquatic fertiliser at the manufacturer's recommended rate. See waterlily cultivation
Propagate by division of rhizomes or offsets in summer, place pots in shallow water until established
Suggested planting locations and garden types
Pruning Deadhead and remove yellow leaves regularly
Pests Susceptible to waterlily beetle, waterlily aphid, brown china-mark moth and leaf-mining midge
May be affected by crown rot, brown spot and waterlily leaf spot
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.