Elodea consists of perennial aquatic plants that grow underwater, characterized by upright, spreading stems and vibrant green leaves arranged in groups of three. Small, individual flowers emerge from the leaf axils.

Elodea

Elodea callitrichoides

Elodea canadensis is classified as an invasive non-native species under Schedule 9 of The Wildlife (Northern Ireland) Order (1985), and its sale is prohibited. For cultivation information, refer to the notes below. This aquatic perennial is semi-evergreen and features a group of submerged, branching stems adorned with tightly arranged, curved dark green leaves.

Elodea canadensis

Elodea nuttallii is classified as an invasive non-native species under Schedule 9 of The Wildlife (Northern Ireland) Order (1985), and its sale is prohibited. Refer to the cultivation notes for additional information.