Ceratophyllum is a very good oxygenator and can grow to great depths so is ideal to put in lakes and ponds. It is a free floating plant but weighting helps secure the plant in the required location. Hornwort has foliage that resemble small horns from the Greek Ceratos horn. Flowers May July. Height 15cm. Miniumum depth 30cm maximum depth 200cm. Native. Growth rate medium.
