Also called American Sweetflag, Several-Veined Sweetflag
More About Acorus americanus
- Hardy perennial, swamp or bog plant
- Foliage and rhizomes have a sweet citrus scent when bruised or cut
- Wheat-like flowers
- Great for stabilizing pond edges
- Bloom Time: June to July
Widely confused with the European strain Acorus calamus, it can be easily identified by the distinct ribs on the leaves. Acorus calamus has one midrib and Acorus americanus have several. Both species have naturalized throughout North America.
Acorus americanus was used by Native Americans as a replacement for ginger, cinnamon, and nutmeg. The rhizomes were also used in perfumes.
Sweet Flag Growing and Maintenance Tips
Grow in a moist to wet soil, in full sun or partial shade. Spreads quickly by rhizomes and works well for retaining soil at the edge of streams and ponds. Can tolerate periods of drought, but suffers in appearance.
Acorus americanus Characteristics
Soil MoistureWetland (Root submerged)
Moist to Wet Soils
Landscape usesWoodland/woods edge