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   Russian-Olive Elaeagnus angustifolia   Adult Russian-olive trees grow up to 25 feet in height. From a distance they have a light gray-green appearance due to tiny scales on the leaf surfaces. Leaves are narrow and two to three inches in length. Flower Inconspicuous yellow flowers are found in clusters. Weed Infestation This tree, from Europe, is often used as an ornamental. Fruits can be a valuable food for wildlife. It grows well in meadows, pastures, and along waterways. Reproduction is from seed and rootstock. Russian-olive is very difficult to control. Thick stands can develop if left unchecked. Fruit Each flower produces a tan or silver colored olive-like fruits about half an inch in length. Thorn The trunk and branches have many one to two-inch thorns. 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