Molasses - Dry or liquid molasses can be used to fight a specific weed - nutsedge. The dry product is used at 40 lbs. per 1000 sq. ft. or liquid molasses used at about a cup per gallon of water kills nutsedge. It usually takes 2 or 3 applications of the liquid method. In both cases the nutsedge slowly dies away. 



 

 

Vinegar Products - A good choice for herbicide use is 10% white vinegar made from grain alcohol, rather than the petroleum-based product. It should be used full strength. I've mentioned that 20% is stronger than needed and too expensive. There is one exception. Nature’s Guide, Good Natured and MaestroGro now have 20% vinegar that is legally registered for organic weed control. And it works well.