• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Nymphoides peltata

yellow floating heart

  • Other common names yellow floating heart
    dwarf waterlily

    fringed buckbean
    fringed water lily
    small yellow water lily
    water fringe

    see more
  • Synonyms Villarsia nymphoides peltata

  • Family Menyanthaceae

  • Genus Nymphoides are deciduous, rhizomatous aquatic perennials with slender rhizomes bearing kidney-shaped or rounded floating leaves and solitary yellow or white flowers with fringed petals, held just above the water surface

  • Details N. peltata is a vigorous aquatic perennial with rounded bright green, mottled leaves and long-stalked, bright yellow flowers, to 2.5cm across, in summer

  • Plant range Eurasia


  • Foliage Deciduous

  • Habit Submerged

  • Hardiness

    Hardiness ratings

    All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

    • H1a - Under glass all year (>15C)
    • H1b - Can be grown outside in the summer (10 - 15)
    • H1c - Can be grown outside in the summer (5 - 10)
    • H2 - Tolerant of low temperatures, but not surviving being frozen (1 to 5)
    • H3 - Hardy in coastal and relatively mild parts of the UK (-5 to 1)
    • H4 - Hardy through most of the UK (-10 to -5)
    • H5 - Hardy in most places throughout the UK even in severe winters (-15 to -10)
    • H6 - Hardy in all of UK and northern Europe (-20 to -15)
    • H7 - Hardy in the severest European continental climates (< -20)




  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Exposed or Sheltered


  • Clay


  • Loam


  • MoisturePoorly-drained

  • SoilClay, Loam

  • pHNeutral, Acid, Alkaline


  • Ultimate height Up to 10 cm

  • Ultimate spread 1.5-2.5 metres

  • Time to ultimate height 5-10 years

How to grow

Cultivation Grow in shallow water at pool margins in full sun. This plant is listed on Schedule 9 of The Wildlife (Northern Ireland) Order (1985) as amended, and 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 being grown in gardens in 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 to find alternative plants to grow to those listed

Propagation Propagate by runners removed in summer

Suggested planting locations and garden types Low Maintenance Wildlife Gardens

How to care

Pruning Deadhead and remove yellow leaves regularly

Pests Can get water-lily beetle, water lily aphid, brown china-mark moth and false leaf-mining midge

Diseases Generally disease free

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