Go Back Hornwort

Ceratophyllum demersum

Plant Type: Water Gardening

Found in ponds, marshes, and quiet streams. Used for their appearance and their high oxygen production.

Currently not available for online purchase.

Growing & Maintenance Tips:

Hornwort should be submerged to the bottom of the pond for best growing conditions. It is usually sold in clumps. Needs to be weighted down to sink to the bottom of the pond.

Hornwort is sometimes eaten by hungry goldfish and Koi.

Flower Color

Foliage Color


Plant Spread

30-60 in.

Good Companions

Plant Height

12-24 in.

Scape Height

Hardness Zone


Soil Moisture


Characteristics & Attributes


= Foliage Interest, = Naturalizing, = Bog or Water Garden

Bloom Time

Critter Resistance


Full Sun

Growth Rate


Seasonal Interests