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Hydrocharis morsus-ranae

frogbit

H. morsus-ranae is a floating aquatic perennial with rounded leaves 3cm across, and white flowers 2-3cm across, with a yellow spot on each petal

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Size
Ultimate height
Up to 10cm
Time to ultimate height
5–10 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Poorly–drained
pH
Alkaline
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer White Yellow Green
Autumn Green
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Hydrocharitaceae
Native to the UK
No
Foliage
Deciduous
Habit
Floating
Genus

Hydrocharis can be submerged or floating aquatic perennials with glossy, rounded leaves and white, 3-petalled flowers in summer

Name status

Correct

How to grow

Cultivation

Grow in still, alkaline water in full sun. Water must be deep enough to prevent bottom freezing to protect overwintering buds

Propagation

Propagate by seed or division of stolons

Suggested planting locations and garden types
  • Low Maintenance
Pruning

No pruning required

Pests

Leaves may be eaten by water snails, liable to attack by the larvae of the brown china-mark moth

Diseases

Generally disease free

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