Hornwort Ceratophyllum demersum
Hornwort (Ceratophyllum demersum) is a oxygenating aquatic for UK ponds and water gardens. It prefers full sun to light shade and grows to about Submerged stems 30–100 cm. Match planting depth and give enough sun for flowers and oxygenators.
- Sun: Full sun to light shade
- Soil: Aquatic basket compost / loam (no rich peat fertiliser dumps)
- Watering: Aquatic — keep crowns at correct water depth
- Harvest: Enjoy as an ornamental display plant.
- Difficulty: Easy
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