American Water Willow

Justicia americana (L.) Vahl - Acanthus family

Size

Mature Height: Up to around 3.0 feet

Plant Type: Forb/herb

Features

Flower Color: White, Pink, Purple

Conspicuous Flowers: Yes

Bloom Time: Mid Spring, Late Spring, Early Summer, Mid Summer, Late Summer, Fall

Conditions

Shade Tolerance: Intermediate

Ecosystem Interactions

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

Larval Species depending on American Water Willow: Argyrogramma verruca

Native Range

  • USA:  Alabama, Arkansas, Delaware, District of Columbia, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Michigan, Mississippi, Missouri, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Vermont, Virginia, West Virginia, Wisconsin
  • MEX:  Mexico Northeast
  • CAN:  Ontario, Québec
Regional Native Status: L48 (N), CAN (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.