Crabgrass is an annual grass that germinates readily in sparse lawns and landscape beds. The grass will sometimes go unnoticed since it somewhat resembles fescue as a small plant, however, the stems quickly elongate and begin to crawl over the top of grass and mulch, giving it a much more weedy appearance. It generally germinates in April depending on the temperature, and is killed by the first hard freeze, but not before producing up to 150,000 seeds. Crabgrass does resemble bermudagrass but has a much wider leaf blade. If there is a question, bringing a sample in a sample for identification. Bermuda is much harder to control.
The first step in preventing crabgrass is keeping a thick healthy lawn through proper watering and fertilization. The next step is applying a pre-emergent herbicide to stop crabgrass before it starts growing. We recommend using Fertilome’s For All Seasons II in March or early April to keep crabgrass from ever germinating. Pre-emergents also work well in flower beds as long as flower seeds are not being planted as well. In landscape beds, we recommend Hi-Yield’s Turf and Ornamental Grass and Weed Stopper containing Dimension.
If crabgrass has already sprouted it can be killed with Ferti•lome Weed Out with Crabgrass Killer. It works best early in the season when the crabgrass is still small.
Do not use these products if you are going to overseed in the spring, as they will not allow any of your seed to germinate
*Please read and follow all label instructions when applying chemicals.