I have crabgrass in my lawn.
The first thing we need to do is make sure it is crabgrass. If it is early in the year and the soil temperature is less than 55 degrees crabgrass will not germinate. Sending us a picture will help identify what type of grass you have, and if it needs to be eliminated from your lawn.
The best way to control crabgrass is to apply a pre-emergent so it does not get a chance to start growing. If it has already established itself there are post emergent treatments we can apply to kill it. If you have a 7-application lawn care program or the Extender program, these treatments are provided at no cost to you.