USDA: 3a - 11 RHS: H - FT EGF: H1 - G2 Australia: 1 - 5
Care Level
Height
0.3 - 9 m (1 - 30 ft)
Spread
Light
full sun to partial shade
Soil Moisture
moist, well-drained
Soil Type
Soil pH
Description
The aquatic Ceratophyllum demersum (hornwort) bears medium green blossoms during early summer to mid fall. This plant is mat forming and has matte, medium textured and evergreen foliage that is medium green and olive in colour.
Typical Uses
Pond.
Special Characteristics
It is worthy to note that Ceratophyllum demersum tolerates wet sites.
Cautions
Thorns or spines can be a problem with Ceratophyllum demersum (hornwort). Handle with care. Careful planning of its positioning in your garden will avoid injuries to children and pets. When planning your garden, take into consideration that Ceratophyllum demersum (hornwort) grows at a fast rate and will fill its designated space quickly. Where conditions are favourable, Ceratophyllum demersum (hornwort) can be invasive and may require maintenance to keep it under control. This plant is self-sowing and may spread broadly and randomly.
