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For successful seedlings,
see the growing notes at the bottom of the page!

American sweetflag (Acorus americanus) is a perennial wetland plant with long, bright green, ribbon-like leaves that stand upright and can reach 60 cm to 1 metre tall. When crushed, the foliage releases an aromatic scent reminiscent of ginger and mandarin. Its discreet flower structure is a greenish yellow cylindrical spadix that sits along one side of a flattened stem. In summer, it produces many tiny clustered flowers followed by very small, inconspicuous fruits.
This species grows naturally in marshes, bogs, and along pond edges, forming dense colonies through its thick, aromatic rhizomes. It thrives in organic soils that stay consistently humid to waterlogged and tolerates standing water. American sweetflag is native to Canada and occurs in most provinces, including Quebec, especially in low, humid landscapes.

Medicinal and culinary uses
The rhizomes are edible once cooked and have a flavour that is both bitter and aromatic. They can be used to flavour beverages, confections, and liqueurs. When dried and ground, they can also be used as a spice reminiscent of cinnamon and ginger.
Medicinally, the rhizomes are known for their carminative, stomachic, expectorant, and antispasmodic properties.

Ecological roles
American sweetflag plays an important ecological role in wetlands. Its rhizomes help stabilize shorelines, limit erosion, and filter runoff water. Dense colonies offer shelter and microhabitats for many aquatic invertebrates.
Although the flowers are not showy, they provide pollen for certain flies and beetles. The thick clumps also offer refuge for amphibians and nesting areas for small marsh birds.

Upon receipt, it is recommended to place the envelope containing the seeds in the refrigerator until you are ready to begin the germination process. This cold period helps preserve seed viability and promotes more uniform and successful germination.

American sweetflag seeds require cold stratification to ensure germination. See the cultivation notes below for more details.

Akène cannot assume any responsibility for the use of plants for therapeutic purposes. Always seek advice from a professional before using a medicinal or edible plant.