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Ceratophyllum demersum

Rigid hornwort

Garden

Wishlist

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Features

  • BloomsJune to September
  • Height0.8m to 1m
  • Growth HabitWater plant
  • Flower ColourWhite
  • Leaf ColourDark green

Description

Ceratophyllum demersum (Rigid hornwort). This is an oxygenating deciduous perennial plant native to Europe and Africa. Dark green, toothed leaves are linear and whorled. Bears single white flowers in early autumn.

Characteristics

Perennial, Deciduous, Aquatic

Other common names

Hornwort

Origin

Europe, Africa

Interest and use

Aquatic plant

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Needs

  • LightFull sun
  • HardinessFully hardy (min -15°C)
  • WaterMoist

Cultivation

They are fully to half hardy and will prefer an open sunny position but will tolerate shade.

Propagation

The propagation will occur naturally when the scaly young shoots or winter buds separate from main plants. Alternatively you can take stem cuttings in the growing season.

Pests, diseases or disorders

Snails and insects.

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