Bermudagrass Johnsongrass Medusahead Quackgrass Field Bindweed Sufur Cinquefoil Hoary Cress Oxeye Daisy Poison Hemlock Black Henbane Houndstongue St. Johnswort Diffuse Knapweed Russian Knapweed Spotted Knapweed Squarrose Knapweed Purple Loosestrife Perennial Pepperweed Saltcedar Leafy Spurge Yellow Starthsitle Canada Thistle Musk Thistle Scotch Thistle Dalmatian Toadflax Yellow Toadflax Dyer's Woad Back to main weeds page   Hoary Cress Cardaria draba   Rosette Adult Hoary cress is a perennial plant commonly one to two feet tall with creeping rootstocks. Flower Bloom is in late spring with clusters of white flowers, each flower containing four petals. Weed Infestation This plant originated in Europe. It reproduces by root segments and seed. It is commonly found on disturbed sites along road ways, field edges, and excavations. It is also a widespread weed of grain fields, cultivated fields, meadows and grows particularly well on somewhat salinic soils. Seed Seed pods are heart shaped and contain two brownish seeds. Clasping Leaves Leaves are finely toothed. Upper leaves clasp the stem. Back to main weeds page   Buffalobur CommonBurdock Camelthorn Goatsrue Jointed Goatgrass Blue-Flowering Lettuce Western Whorled Milkweed Silverleaf Nightshade Yellow Nutsedge Puncturevine Russian-Olive Bull Thistle Velvetleaf