Crabgrass is a difficult weed to control. It thrives among a variety of grasses, thanks to its ability to grow in high heat and bright sunlight. This annual weed also reproduces easily, a single crabgrass plant can produce up to 150,000 seeds. DIY crabgrass eradication methods are often recommended – including boiling the weeds and trying to kill them with vinegar. However, you may want to think twice before breaking out your regular household vinegar An easy way to kill crabgrass That’s showing up in the cracks of your pavement or on your lawn.
Speaking exclusively with Hunker, assistant extension professor of horticulture at the University of Maine Cooperative Extension and ornamental horticulturist Manjot Sidhu Dr Explains why vinegar does not work to remove crabgrass. “Average household vinegar has a low concentration of acetic acid… which is only effective in killing the top green part of crabgrass, while the deep root system still survives,” Dr. Sidhu explains. “Plants are able to regrow from that root system.”
Thinking about getting a stronger or more specialized type of vinegar for you DIY Homemade Vinegar Weed Killer? Unfortunately, Dr. Sidhu tells us that even this variety will not kill crabgrass. “Horticultural vinegar has a higher acetic acid content than regular vinegar,” she explains. But, like regular vinegar, “horticultural grade vinegar works to control small, young crabgrass plants… In mature plants, it also acts as a contact herbicide only on foliage, but is unable to affect the root system, which leads to regrowth.”
Other Effective Ways to Get Rid of Crabgrass
Instead of turning to vinegar Prevent crabgrass from taking over your yardYou may want to try another method – one that is actually effective at removing the plant. If you’re looking for a natural or DIY way to root it out, don’t overlook your tried and true weeding tools.
Speaking exclusively to Hunkar, Dr. Manjot Sidhu notes that there are many options that will get the job done. “Manual removal is the most effective,” Dr. “(But) make sure to pull out the entire root system,” explains Sidhu. Alternatively, she recommends mulching, as this suppresses the ability of weeds to germinate. She also tells us: “Sunning with a clear plastic sheet during hot summer weeks can help kill crabgrass.” While solarization can be time-consuming, this process—which involves heating soil to temperatures as high as 140 degrees Fahrenheit—comes with other benefits for your lawn, such as pest control and potential improvement in soil health.
Overall, Dr. If you want to stop crabgrass in its tracks and ensure it doesn’t continue to grow, there are a few steps you can take regularly, Sidhu explains. “Start with a healthy lawn (or) garden,” she says. “Follow non-chemical methods of control including mulching and hand weeding. Control weeds before they mature and reach the seed stage.” Then, you want to “keep the lawn thick, which helps shade dormant (or) germinating crabgrass. Water deeply and less often. (This) promotes desirable plant growth.”
