This attractive structural plant has narrow glossy green leaves and produces spikes of soft blue flowers June-October. It is well suited to the shallow edges of ponds or streams, and can be grown in water 25-40cm in sun to part shade.
This unusual looking plant grows half in and half out of the water. It is an excellent oxygenator and nitrate remover. Due to its growing habit it provides cover for spawning fish, baby fish and wildlife, growing in sun to part shade. It can be grown in water from 6-20cm.