Hornwort (Ceratophyllum demersum)

Cannot be shipped to AK, HI

Currently Unavailable

  • Oxygenating Pond Plant
  • Submerged Aquatic Plant
  • Helps Prevent Algae & Green "Pea Soup" Water
  • Prefers Full Sun to Partial Shade
  • Winter Hardy In Ohio

We're sorry, this item is currently unavailable or only purchasable in-store.


Hornwort (Ceratophyllum demersum)

Hornwort is sold in bundles, held together by a weight. Each bundle has about 4-6 strands, depending on the size of individual strand. 

Size: Stems can grow up to 24 “ long

Hardiness zone: 4-11
Fertilization: Absorbed from your pond water!
Habit: Submerged, non-rooting underwater plant with leaves packed tight in whorls that form plumes at the end.
Cultivation: Submerged, non-rooting plant placed 6-10” below pond water’s surface. It needs to get some sunlight to work properly, as they help to prevent “pea-soup” green water.

**For Submerged Pond Plants (like hornwort, ludwigia or sagtitaria) we recommend having one bundle/plant per 2 square foot of surface area.

Need extra weights for splitting bundles? Click Here to add to your order.

Weighted hornwort bundles