Oenanthe aquatica is a tuberous perennial herb. It has an erect posture, fern-like finely-dissected leaves and small white composite umbels of flowers. All parts of the plant are poisonous. Plants are hermaphrodite and self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade.