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Please be sure to read the product label of any insecticide you choose to use to get information on the personal protective safety gear you will need. In most situations, it is recommended that you wear long pants, a long sleeved shirt, closed toe shoes with socks, chemical resistant gloves, and goggles. In areas where ventilation is poor, a manufacturer may recommend you wear a mask or a respirator. We have put together two different safety kits that will make selecting the correct safety gear easier for you.

How to Get Rid of Crabgrass

Crabgrass Treatment & Control Guide

By DoMyOwn staff

Use Crabgrass Killer Products

No one likes to see crabgrass weeds pop up in their lawn. This outward spreading weed can be unsightly in your pristine lawn. But you can take control of this weed by learning how to stop crabgrass before it starts and how to get rid of crabgrass once it has taken root in your lawn.

Preventing crabgrass from growing in your lawn requires the proper application of pre-emergent weed prevention products. Once crabgrass is present in your lawn, you can control it with a post-emergent herbicide crabgrass killer product, or other weed killers applied directly to the weeds once they've begun to grow.

Continue reading below to learn more about how to use each of these steps and the professional-grade products our team of experts recommend to help you control crabgrass in your lawn.
Step 1

Pre-Emergent Weed Prevention

Pre-emergent crabgrass preventers kill crabgrass seeds in the ground before they have a chance to grow above ground. Timing the application of pre-emergent crabgrass products is crucial to successful crabgrass control.

  • In order to work properly, pre-emergent herbicides need to be in the soil before the crabgrass seeds start to germinate. Germination begins generally when the soil temperatures reach 55 degrees. This is around early spring, but the exact month will vary depending on where you live. Your local extension office can give you tips on when to apply pre-emergents in your area.
  • Choose a product labeled for control of crabgrass.
  • Many of these products must be watered in and may have other recommendations that aim to keep your desirable grass healthy and help the product work as best as possible. Read the entire label and follow directions carefully.
Step 2

Apply A Post-Emergent Crabgrass Herbicide

To get rid of crabgrass that has already started to grow in your lawn, you will need to use a post-emergent crabgrass killer. To get the best results from your crabgrass weed control, here are a few things to keep in mind:

  • Treat crabgrass plants early in their growth cycle, since young plants are much more easily controlled. Once plants get too large, usually the middle of July, they are much harder to kill.
  • The treatment area may have to be watered before application to prevent damage to grass; follow the instructions on the label.
  • Depending on which crabgrass killer you select, it may be recommended to add a surfactant or methylated seed oil (MSO) for optimal results.
  • You may also have to avoid mowing before or after application, so make sure you read your product's label carefully.
  • Avoid applying your crabgrass weed killer when your turf is stressed from dry or drought conditions or when temperatures are above 85 degrees.
  • Read the product label very carefully and ensure you have chosen the right product that is safe for your lawn.

Crabgrass Treatment Infographic

(Click to Enlarge)

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