Bermudagrass Johnsongrass Medusahead Quackgrass Field Bindweed Hoary Cress Diffuse Knapweed Russian Knapweed Spotted Knapweed Squarrose Knapweed Purple Loosestrife Perennial Pepperweed Leafy Spurge Yellow Starthsitle Canada Thistle Musk Thistle Scotch Thistle Dyer's Woad Back to main weeds page   Field Bindweed Convolvulus arvensis   Rosette Arrow-shaped leaves are up to two inches long. Adult Field bindweed is a perennial with stems up to six feet long growing prostrate, or it may climb nearby vegetation. Flower Flowers are funnel shaped, white to pink, and one inch wide. Bloom is from June through September. Weed Infestation This European native reproduces from both seed and rootstock. It grows in fields, pastures, gardens, road sides, and many other areas. It may be found in areas up to 10,000 feet in elevation. Deep Taproot The root system may grow to a depth of ten feet or more. Seed Seeds may remain viable in the soil for up to 50 years. Back to main weeds page   Buffalobur Common Burdock Camelthorn Goatsrue Jointed Goatgrass Poison Hemlock Black Henbane Houndstongue Blue-Flowering Lettuce Western Whorled Milkweed Silverleaf Nightshade Yellow Nutsedge Puncturevine Russian-Olive Saltcedar St. Johnswort Bull Thistle Dalmatian Toadflax Yellow Toadflax Velvetleaf