How to Get Rid of Weeds in Your Lawn

Prevent Weeds with Ideal Mowing Height Ranges

• Mow your grass when it needs it; one-third above the ideal cutting height.
  •  Pro Tip: If you don’t know your grass type, take a plug of turf to a garden center and ask the staff to help with the identification.

Cool Climate Grasses

• Bent grass: 1/4- to 3/4-in.
• Chewing hard or red fescue:  1-1/2 to 2-1/2-in.
• Tall fescue: 1-1/2 to 3-in.
• Kentucky bluegrass: 1-1/2 to 3-in.
• Perennial ryegrass: 1-1/2 to 3-in.

Warm Climate Grasses

• Bahia grass: 2- to 3-in.
• Bermuda grass: 1/2- to 1-in.
• Blue grama grass: 2- to 3-in.
• Buffalo grass: 2- to 3-in.
• Carpetgrass: 1- to 2-in.
• Centipedegrass: 1- to 2-in.
• St. Augustinegrass: 1- to 3-in.
• Zoysia grass: 1/2- to 1-in.

The Family Handyman The Family Handyman Senior Editor, Travis Larson, will show you how to determine what height is optimal for cutting your grass. Each type of grass has a recommended cutting height. Learn more about how to grow greener grass.