Ceratophyllum demersum (Coontail)


Ceratophyllum demersum, or Coontail, is a very useful oxygenating plant for the pond and aquarium. It is a free-floating, rootless, submerged aquatic plant

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Additional information

Main characteristics

Ceratophyllum demersum is a fast-growing submerged oxygenating plant. It does not develop real roots, but absorbs all its nutrients directly from the stems and leaves

Planting depth

It is meant to be thrown into the water without the need for anchoring or potting. Suitable for ponds with 1 meter maximum depth

Plant uses

It effectively slows down algae growth, helping to oxygenate the pond water and absorbing dissolved organic substances in the water


The leaves are edible. In alternative medicine it has also been used to treat dermatitis, sunburn and scorpion stings


Full direct sun for at least 4 hours in the middle hours of the day

PH tolerated

Slightly acidic to basic (alkaline): 6.5 to 8.5

Frost Resistance

Yes, it withstands very cold temperatures


Cosmopolitan plant

Shipped plant

Bunch with a dozen bare-root stems

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