trefle.io · Taken May 31, 2022 by Bogdan Nesic (cc-by-sa)
Ceratophyllaceae
Common hornwort
Ceratophyllum demersum
Also known as Ceratophyllum demersum, Ceratophyllum demersum var. commune, Dichotophyllum demersum, Coontail
Indoor Plants · Native Plants · Aquatic · Hornwort · Aquarium Plant · Oxygenating · Submerged · Pond Plant · Ceratophyllum · Freshwater · Fish Tank · Beginner
Common hornwort is a popular, fully submerged aquatic plant widely used in aquariums and ponds for its excellent oxygenating properties and dense, feathery foliage that provides shelter for fish and fry. It thrives in a wide range of water temperatures and light conditions, making it one of the most beginner-friendly aquatic plants available. Trim regularly to control growth and remove any yellowing or decaying portions to maintain water quality.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Keep fully submerged; maintain stable water level and good water quality · Continuous submersion; replenish water weekly
- Maintenance
- Low
- Soil pH
- 6–8.6
- Cycle
- Perennial
Form & growth
Mature size and habit
- Spacing
- 8 in apart
- Growth rate
- Fast
- Flowers
- No
- Foliage
- Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Alabama, Alaska, Albania, Alberta, Algeria, Altay, Amur, Angola, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Assam, Austria, Azores, Baleares, Baltic States, Bangladesh, Belarus
Sources: trefle, usda
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