Perfectly Natural Perfectly Natural Weed 'n Grass Killer effectively controls grassy and broadleaf vegetation such as Dandelion, Henbit, Dutch Clover, White Clover, Common Chickweed, Plantain, Shamrock and Annual Bluegrass, without using any synthetic chemicals that may be damaging to soil biology. Spray along walkways and driveways, around flower beds, in mulched or gravel covered areas, or in other areas with unwanted vegetation or weeds. This ready to use, safe formulation in non-selective and begins to work immediately upon application - normally achieving plant knockdown within 24 hours. It has visual effects within 1 hour of application. Annual weeds generally require one application. Perennial weeds may require a second application within 3 to 5 days after first application Contains: 8% Clove Oil, 8% Citric Acid, 2% Lecithin, and 82% Other Ingredients.