How can I control weeds: dandelions, creeping Charlie, clover, crab grass, quackgrass?
The most effective method of controlling lawn weeds is to maintain a dense and vigorously growing turf cover. Often weeds can be controlled by altering cultural practices to favor grass plants such as frequency of fertilizing, and mowing height and frequency (see Questions 4, 5 and 6). Pulling weeds by hand is effective in small lawns, but chemical control is sometimes necessary. Always read and follow directions on label. Control perennial broadleaf weeds such as dandelion, plantain and thistle after they are up and growing with a selective, post-emergent herbicide such as 2,4-D. Early fall (Aug. 15-Oct. 15) is the best time to apply, although you may apply during May. For other broadleaf weeds, creeping Charlie, chickweed, clover, henbit, knotweed, mallow, spurge, yarrow, use a mixture containing the phenoxy-type herbicides, 2,4-D, MCPP and dicamba (Trimec, found in Weed-No-More) and apply in early fall. Dicamba can damage tree and shrub roots so apply carefully. For annual weeds suc
