How to Apply a Pre-Emergent Weed Control


Weeds can be a real pain once they begin to take hold of your lawn. They rob your grass of the essential nutrients they need to remain healthy. One way to prevent this from happening is to apply a pre-emergent weed control. If applied properly, the pre-emergent weed control will keep the weeds from germinating and growing up alongside your grass.

Step 1

Circle the dates of March 15 and September 15 on your calendar. These are the recommended dates for applying a pre-emergent weed control.

Step 2

Purchase a pre-emergent herbicide with Bensulide, Pendimethalin or Oxadiazon as its main ingredient. All are effective at retarding weeds.

Step 3

Read the label of the pre-emergent you buy. The mixing instructions must be followed for the pre-emergent to be successful.

Step 4

Place the recommended amount of pre-emergent in your garden sprayer for the amount of square footage you intend to cover. Then add the suggested amount of water.

Step 5

Place the lid on the garden sprayer and shake it to combine the ingredients.

Step 6

Spray across your lawn. Use a pattern of left to right or right to left so you do not miss any spots. Then wait for the solution to dry before walking on your lawn. (This includes pets.)

Tips and Warnings

  • If you apply the pre-emergent too early, the herbicide may be washed away. If you apply it too late, it will not stop the weeds that have already begun to grow.

Things You'll Need

  • Pre-emergent herbicide
  • Water
  • Garden sprayer


  • All About Lawns: Weed Control Begins With Pre-Emergent Herbicide
Keywords: pre-emergent weed control, stopping weeds, controlling weeds

About this Author

Alicia Bodine has been a professional writer for six years. She has produced thousands of articles for online publications such as Demand Studios, Bright Hub, Associated Content and WiseGeek. Bodine is also the current cooking guru for LifeTips. She has received awards for being a top content producer.