Creeping buttercup was sold in many parts of the world as an ornamental plant, and has now become an invasive species in many parts of the world. Creeping buttercup, a King County Weed of Concern, is a low-growing perennial with creeping stolons that's found in rural and urban areas throughout King County, such as pastures, farmlands, natural wetlands, city gardens, and lawns. So, how to deal with it? Do not eat this weed; it can make you sick. Maximise success – do it with PRIDE. Buttercup can tolerate wet soil conditions better than many other species, so buttercup out competes the grasses, and creeping buttercup in particular spreads rapidly. Manual removal is necessary in planted garden beds, but you can use chemical herbicides to kill the weeds in lawns or unplanted beds. The stems may reach a meter in length and the herbage is generally covered with stiff hairs although the upper leaf surfaces may be glabrous. After a few weeks, any regrowth can be spot sprayed with Grazon 90 at the recommended rate. My experience with buttercup … Roundup works best if you spray it in warm weather; if you spray it in cold weather, it will take longer to work. It is best to dig it out of the vegetable garden plot when young. The destruction of a grass sward, especially in spring, provides ideal conditions for rapid colonisation by creeping buttercup seedlings before a new crop is established. Perennial spreading by seed and long branching stolons or runners which root at nodes along their length, forming new plants; one plant can spread over a 4m 2 area in a year. Effective weed control for lawns – won’t harm grass Controls over 50 varieties of lawn weeds, including dandelion, plantain, chickweed, clover, buttercup, and more* Can be broadcast over the entire lawn or applied as a spot treatment The low-growing, compound leaves have three leaflets and a coarse texture. and did it slowly so you could watch the weed suffer. Mix the herbicide thoroughly with the water and pump the sprayer to build pressure. Creeping buttercup grows in U.S. Department of Agriculture plant hardiness zones 4 through 9. The basal leaves (See photo below.) Regular weeding and herbicides provide control. The plants are also referred to as 'white root' by some of the older members. Topping and the encouragement of a vigorous sward is the simplest method of control, while spraying with MCPA or 2,4-D also gives control of the creeping buttercup. Dandelion (Taraxacum officinale) Buttercup weeds (Ranunculus repens) form a creeping mat of dense foliage that can quickly overtake the lawn or a garden bed. It grows low, and creeps with horizontal stems above the soil (stolons) which makes it easy to differentiate from other species of buttercup (which spread via rhizomes... roots under the soil). New plants form a rosette of leaves and stems, with some stems functioning as stolons. It is only absorbed through green plant tissue with little chance of the roots picking it up if applied through the soil. Ortho Weed B Gon Chickweed, Clover and Oxalis Killer for Lawns Concentrate is formulated to kill tough weeds in your lawn. Creeping buttercup stolons can be short and thick between nodes, or they can be long and spindly, as above. Buttercup seeds remain viable for 20 years, but regular inspection and removal can prevent them from reestablishing in the yard. The taste of buttercups is acrid, so cattle avoid eating them. Harrington's specialties include small business information, crafting, decorating and gardening. Creeping buttercup is controlled by frequent and vigorous cultivation in hot weather. Don’t let weeds flower. I'll continue to July 21, 2013 at 4:35 pm. I applied this once in the beginning of May and it cleared up most of the problem. Buttercup weeds (Ranunculus repens) form a creeping mat of dense foliage that can quickly overtake the lawn or a garden bed. Apply Roundup when creeping buttercups are growing vigorously in the spring. May be poisonous to livestock (there is no strong evidence). Aerate in autumn to improve drainage. *Dandelions, plantain, chickweed, clover, bedstraw, black medick (yellow clover), heal-all, ground ivy (creeping Charlie), knotweed, ragweed, shepherd's-purse, poison ivy, devil's paintbrush, buttercup, and English daisy.-+ Pairs Nicely With. 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