Ceratophyllum demersum
Hornwort, Cedar moss, Coon tail, Fish blankets, Morass weed, Rigid hornwort
Ceratophyllum Ceratophyllum
C. demersum - C. demersum is a submerged, aquatic perennial with whorls of forked, brittle, dark green leaves. Tiny flowers, white male and green female, bloom in summer from the leaf axils.
Ceratophyllum demersum is: Deciduous
Spreading
White, Green in Summer; Dark-green in Autumn
Dark-green in Spring; Dark-green in Summer
Generally pest free
Generally disease free
Take stem cuttings and float in water.
Stem tip cuttings
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Ceratophyllum demersum (Hornwort) will reach a height of 0.1m and a spread of 1.5m after 5-10 years.
Aquatic, Low Maintenance
Grow in water 30-90cm deep in full shade to full sun. Plants float freely so do not require baskets. Dies back in winter but stem buds overwinter in bottom mud and grow in spring.
Clay, Loamy
Pond/In water
Acid, Alkaline, Neutral
Partial Shade, Full Shade, Full Sun
North, South, East, West
Exposed, Sheltered
Hardy (H4)
We do not currently have companion plants added for this plant.
Ceratophyllum demersum
Hornwort, Cedar moss, Coon tail, Fish blankets, Morass weed, Rigid hornwort
Ceratophyllum Ceratophyllum
C. demersum - C. demersum is a submerged, aquatic perennial with whorls of forked, brittle, dark green leaves. Tiny flowers, white male and green female, bloom in summer from the leaf axils.
Deciduous
Spreading
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White, Green in Summer; Dark-green in Autumn
Dark-green in Spring; Dark-green in Summer
Generally pest free
Generally disease free
Take stem cuttings and float in water.
Stem tip cuttings
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Ceratophyllum demersum (Hornwort) will reach a height of 0.1m and a spread of 1.5m after 5-10 years.
Aquatic, Low Maintenance
Grow in water 30-90cm deep in full shade to full sun. Plants float freely so do not require baskets. Dies back in winter but stem buds overwinter in bottom mud and grow in spring.
Clay, Loamy
Pond/In water
Acid, Alkaline, Neutral
Partial Shade, Full Shade, Full Sun
North, South, East, West
Exposed, Sheltered
Hardy (H4)
Zone 10, Zone 9, Zone 8, Zone 7, Zone 6, Zone 5, Zone 4, Zone 3
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This plant likes... | Garden match | |
Soil types: | Clay, Loamy | Tell us... |
Soil drainage: | Pond/In water | Tell us... |
Soil pH: | Acid, Alkaline, Neutral | Tell us... |
Light: | Partial Shade, Full Shade, Full Sun | Tell us... |
Aspect: | North, South, East, West | Tell us... |
Exposure: | Exposed, Sheltered | Tell us... |
Hardiness: | Hardy (H4) | Tell us... |
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