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Learning the Basics

Learn how Roundup® Weed & Grass Killer products work and how to safely use them in all of your outdoor spaces.

  • Learning the Basics
Monkeygrass growing in a lawn.
What Is Monkeygrass and How Do I Control It?

Monkeygrass is the name for two similar plants that are popular for borders and ground cover

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A well-landscaped property with lots of garden beds, shrubs, and tress.
Can I Treat Weeds With Roundup® Weed & Grass Killer Products When It's About to Rain?

For best results, we recommend using Roundup®

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Bentgrass growing on a lawn.
What Is Bentgrass and How Do I Control It?

Bentgrass is a low growing, fine-bladed grassy weed. Kept very short, it looks neat and uniform. But given

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Poison Oak growing by a tree.
What Is Poison Oak and How Do I Control It?

This troublemaker is usually associated with its penchant for causing skin rash, which is caused by an

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The information on this site refers to Roundup® Weed & Grass Killer products and is for homeowner use. Always read and follow label directions.

*Consumer Guarantee: If for any reason you are not satisfied after using this product, simply send us original proof of purchase, and we will refund the purchase price.

Always read and follow label directions. Roundup, Roundup & design, FastAct, Roundup Extended Control and X design, Roundup® Precision Gel™, Pump 'N Go, Sure Shot and Draw the Line are trademarks of Monsanto Technology LLC. © 2021 Monsanto Company, worldwide rights reserved.