Sweetflag

Acorus americanus

Sweetflag is an iris-like marginal aquatic with aromatic sword leaves and a finger-like greenish flower spike, spreading along pond and stream edges in shallow water.

Family: Acoraceae
Type: wildflower
Lifespan: perennial
Height: 2–3 ft
Spacing: 1–2 ft apart
Light: sun, part shade
Soil moisture: wet
Soil pH: neutral, acidic
Bloom: May, June
Bloom colors: green, yellow
Wildlife value: pollinators
Landscape uses: border, rain garden, erosion control, naturalizing
Native states: IA, IL, ME, MI, MN, NY, OH, WI