How do you control bentgrass and velvet grass in a lawn?
Bentgrass is a very common albeit very troublesome lawn weed here. It spreads fast and develops an unaesthetic look when mowed too high because of its propensity to develop heavy thatch. Unfortunately, broad spectrum herbicides are the most effective way of getting rid of bentgrass. However, this will leave brown spots in your lawn until desirable grass is put in its place. I suppose mechanical removal is possible but the chances of getting the entire roots system out are minimal and it will re-grow fast from small amounts of roots/stems left. Velvet grass spreads fast, just as bentgrass, and is very un-appealing in a lawn because of its distinct color difference from other desirable lawn grasses.
