How to Kill Grass With Roundup


Homeowners often find a few spots on their lawn where they do not want grass to grow. This may be around the base of a pool, under a deck or around a mailbox. In these cases it is best to use a product called Roundup. Roundup is produced by The Scotts Miracle-Gro Company and eliminates grass and weeds. This product comes in a ready-to-use formula and a concentrated form that must be mixed prior to applying to your lawn.

Step 1

Wear long clothing to protect your skin from the Roundup Weed and Grass Killer. You should also use plastic gloves, goggles and a mask. Roundup can cause skin irritation.

Step 2

Measure and pour 3 tbsp. of Roundup Weed and Grass Killer into your garden sprayer. This will cover 300 square feet of grass.

Step 3

Pour 1 gallon of water into your garden sprayer. Place the lid on the garden sprayer and shake it to mix the two ingredients.

Step 4

Spray the Roundup evenly over the grass you want to kill. The trick is to get the grass completely wet, but not have it so wet it is dripping.

Tips and Warnings

  • Roundup Weed and Grass Killer will also kill any type of plant it lands on. Spraying the Roundup on a day with little to no wind is key in keeping the Roundup on only the grass you want to kill.

Things You'll Need

  • Long clothing
  • Plastic gloves
  • Mask
  • Goggles
  • Garden sprayer


  • Scotts: Roundup Weed and Grass Killer Details
  • Scotts: Roundup Weed and Grass Killer Product Label
Keywords: Roundup grass killer, killing grass, using grass killer

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.