Also called Hornwort
More About Ceratophyllum demersum
- Submerged aquatic perennial producing slender, often rootless stems
- Forked, brittle, dark green leaves are often borne more densely near the growing points
- Tiny cupped white male flowers
- Green female flowers
- Evergreen perennial that sinks through the winter to provide cover for fish and other aquatic wildlife
- Great oxygenator for controlling algae in ponds
- Bloom Time: Summer to early fall
- Flower Size: 3 mm (male), 1 mm (female)
Native to Ontario and most of North America.
Called "coontail" because of its tight whorls resemble a racoon's tail.
Coontail Growing and Maintenance Tips
Plant in full sun and relatively clear water with adequate levels of nutrients. More tolerant of shade than the species. Will adapt to sites with slow-moving or stagnant water where there is some protection from wind and waves. It can be aggressive.