Tower Rockcress

Arabis glabra (L.) Bernh. - Mustard family

Size

Mature Height: Up to around 5.0 feet

Plant Type: Forb/herb

Features

Flower Color: White

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

Conditions

Shade Tolerance: Intermediate

Ecosystem Interactions

Pollinators: Native Bees; Larval Host (Butterfly)

Larval Species depending on Tower Rockcress: Anthocharis midea, Anthocharis sara, Anthocharis sara sara, Euchloe ausonides, Euchloe creusa, Euchloe hyantis, Euchloe olympia, Paramidea lanceolata, Paramidea midea, Pontia occidentalis, Pontia sisymbrii

Native Range

  • USA:  Alaska, Arizona, California, Colorado, Connecticut, Delaware, Idaho, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oregon, Pennsylvania, South Dakota, Tennessee, Utah, Virginia, Washington, West Virginia, Wisconsin, Wyoming
  • CAN:  Alberta, British Columbia, Manitoba, New Brunswick, Northwest Territorie, Ontario, Québec, Saskatchewan, Yukon
Regional Native Status: L48 (N), AK (I), 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.