Acorus calamus

Sweet Flag, Flagroot, Myrtle Flag, Sweet Calamus, Sweetroot

Family: Acoraceae

Genus: Acorus

Category: Grass

Zones: 4 to 10

Size: To 30" tall and 24" wide

Exposure: Sun, Filtered Sun, Part Shade


Iris-like, sword-shaped leaves. Blades to 3/4" wide with prominent mid-rib and one wavy side. Non-showy flowers. Naturalizes. Medium to wet soil, including standing water.



Published in Sp. Pl. 1: 324 in 1757.

Native to much of Asia.

Sources of Information

© 2010-12 Lisa J. Miner