Tall Fescue: this turf has the widest blades of any grasses in the area.
How do you get rid of thick blade grass?
The best way to get rid of this wide thick blade grass is to treat your lawn using a pre-emergent herbicide. This prevents crabgrass from germinating from seeds into grass weeds. Look for products that also contain fertilizer. Apply this chemical to your yard every spring to prevent seed germination.
How do you get rid of coarse Tall Fescue grass?
The best way to eradicate Tall Fescue is to use a non-selective post-emergent product such as Eraser 41% Glyphosate. Tall Fescue, unfortunately, cannot be selectively controlled meaning that you cannot spray it without killing the desirable turf surrounding the Tall Fescue.