Tall Blue Lettuce

Lactuca biennis (Moench) Fernald

Aster family

Plant Type
Forb/herb
Life Cycle
Annual, Biennial
Mature Height
10.0 feet
Flower Color
White, Blue
Bloom Time
Early Summer, Mid Summer, Late Summer, Fall

Growing Conditions

Light

Shade Tolerance Intermediate

Water

Water Use Medium

Ecosystem & Wildlife

Pollinators Native Bees; Bombus; Honey Bees; Beetles, Wasps, Flies; Butterflies; Larval Host (Butterfly); Larval Host (Moth)
Larval Host Cucullia intermedia, Phaneta ornatula, Thorybes bunteana

Native Range

  • USA:  Alaska, California, Colorado, Connecticut, Delaware, District of Columbia, Idaho, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oregon, Pennsylvania, Rhode I., South Dakota, Tennessee, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
  • CAN:  Alberta, British Columbia, Newfoundland, Manitoba, New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward I., Québec, Saskatchewan, Yukon

Regional Native Status: L48 (N), AK (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.