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Acorus americanus

Sweetflag

Acorus americanus is a hardy perennial swamp or bog plant with sweet, spicy-scented leaves. Spadix like flowers appear in June and July, followed by dark berries. Found at water's edge from Nova Scotia to Virginia to Washington to Alaska. Great for stabilizing pond edges or filling a boggy area.

Height: 2-3 Feet
Color: Wheat

Sweetflag Characteristics & Attributes

Exposure
Sun
Morning Sun / Afternoon Shade
Part Sun
Soil Moisture Needs
Moist
Wet
Critter Resistance
Deer Resistant
Growth Rate
Fast
Attributes
Mass Planting
Wetlands
Bog
Pond Edge
Native to US
Meadow
Detention Basin
Moist Sun
Stream Edge
Open Pollinated
Native to Northeast
Season of Interest (Foliage)
Fall
Summer
Early Spring
Late Summer
Late Spring / Early Summer
Homeowner Growing & Maintenance Tips for Sweetflag

Grow Sweetflag in moist to wet soils in full sun or bright shade. It is a vigorous spreader in wet soils and works well for retaining soil at the edge of a stream or pond. Tolerates periods of dry, but its appearance may suffer in long droughts.

Interesting Notes

Acorus amercanus can be distinguished from the European A. calamus quite easily. Acorus calamus has a single distinct mid rib, while A. americanus has several indistinct ribs. A. calamus has naturalized over much of the US and in many areas is more common. North American Distribution Map