Water canna (Canna glauca)
Care, watering, light and tips for Water canna on Floravia.
Quick facts
- Family: Cannaceae
- Difficulty: Moderate care
- Watering: every 3 days
- Light: Partial shade
- Temperature: 10–30 °C
About Water canna
Canna glauca, known as 'Sari tamotamo', is an elegant aquatic or wetland plant belonging to the Cannaceae family. It is characterized by its slender stems and attractive bluish-green (glaucous) leaves, along with pale to bright yellow flowers. It is ideal for ponds, water features edges, or large pots with consistently moist soil, adding an exotic and vertical touch to the landscape.
Native range
Tropical and subtropical Americas, from the southern United States to Argentina
Care tips
It requires full sun exposure for optimal flowering and vigorous growth. Watering should be consistent, keeping the substrate always moist, and it can even grow with its roots submerged in shallow water. It prefers rich, organic, and well-drained substrates if not submerged. A common mistake is allowing the substrate to dry out, which can stress the plant and reduce its flowering.
How to save a dying Water canna
- Warning signs
- Yellowish or brown, soft and drooping leaves; lack of flowering; weak stems.
- First aid
- Check constant water level and full sun exposure. Add liquid fertilizer for aquatic plants.
- What kills it
- Drying out of the substrate or lack of water. Excessive shade also reduces its vigor.
- Can it be saved?
- Yes, if the roots are not rotted. Ensure abundant water and sun for a quick recovery.