Arabis Holboellii, or more commonly know as Holboell's Rockcress, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with green foliage and purple flowers of the genus Arabis. It has a moderate growth rate and a height of 2 feet at maturity. Its duration is biennial or bi-annual which means it can grow or bloom twice, in the first year and the following year. It's active growth period is spring and summer, blooms during mid spring, is somewhat tolerant of shade and is routinely available commercially. Arabis Holboellii or Holboell's Rockcress's floral region is North America US Lower 48 and Alaska, specifically in the states of Alaska, Arizona, California, Colorado, Idaho, Michigan, Minnesota, Montana, North Dakota, Nebraska, New Mexico, Nevada, Oregon, South Dakota, Utah, Washington and Wyoming.
Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming