Swamp Thistle

Cirsium muticum Michx. - Aster family

Size

Mature Height: Up to around 8.0 feet

Plant Type: Forb/herb

Features

Flower Color: White, Purple

Bloom Time: Early Summer, Mid Summer, Late Summer

Conditions

Shade Tolerance: Intolerant

Ecosystem Interactions

Pollinators: Native Bees; Bombus; Honey Bees; Beetles, Wasps, Flies; Moths; Butterflies; Monarchs; Larval Host (Moth)

Larval Species depending on Swamp Thistle: Calephelis mutica, Calephelis muticum

Native Range

USA: Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Illinois, Indiana, Iowa, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode I., South Carolina, Tennessee, Texas, Vermont, Virginia, West Virginia, Wisconsin
CAN: Newfoundland, Manitoba, New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward I., Québec, Saskatchewan

Regional Native Status: L48 (N), CAN (N), SPM (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.