It is a creeping perennial which reproduces by seed and creeping roots. The extensive root system spreads horizontally and vertically with frequent shoots arising from the root stock. It grows erect from 10 to 18 inches high and has a white color. The alternate leaves clasp the stem and are oval or oblong with toothed or almost smooth margins. The leaves are often covered with very fine white hairs.
Hoary cress is one of the earliest perennial weeds to emerge in the spring.
May. It grows in waste places, cultivated fields, and pastures, and is capable of vigorous grow on the irrigated, alkaline soils of the West. It is a major problem in certain pastures and cultivated areas in Colorado from 3,500 to 8,500 feet. Any unauthorized duplication is strictly prohibited by existing copyright laws.