To control Bahai grass, is it recommended to spray before or after mowing?
Spray when the center stalk is fully deployed with the infamous "V" seed pods.
Answer:
Because MSM Turf Herbicide works by being absorbed through the roots and by blocking cell division to prevent weed growth, applying before or after mowing should not make a difference, if used as directed on the manufacturer's product label. On a side note, it is advisable to delay mowing for 2-3 days before and after any chemical treatment to your lawn.