Crabgrass or dallisgrass?

I've had the displeasure of seeing loads of goosegrass and this isn't that. Goosegrass does not creep out and root at the nodes, it forms a tight pinwheel and has a silver-y centre. Neither does it have any hairs. Those weeds look like Johnsongrass (wider leaves) and some form of crabgrass for the skinnier leaf.

For crabgrass, a product with quinclorac as the active ingredient is the best way to go, the more active ingredient, the better. Johnsongrass is an entirely different beast to get rid of. Some of it will actually be resistant to chemical control and it leeches out a compound that kills other vegetation from its roots, and it spreads via enormous rhizomes. Dig out as much root mass as you can, fill in with topsoil. Put some seed down, if you have a cool-season lawn.

/r/lawncare Thread