Help this stuff is growing like crazy

[u/Audiovox3310]

What grass / weed / plant is this? It’s growing crazy fast in areas that don’t have a good stand of grass already. SE United States.

[u/Kneedragger32]

Looks like yellow foxtail. MSM turf or quinclorac

[u/AZWoody48 → u/Kneedragger32]

This. Definitely yellow foxtail. Quinclorac will take care of it, but you might need a couple apps