• Roundup® Dual Action Weed & Grass Killer Plus 4 Month Preventer Concentrate kills existing weeds and grass down to the root and prevents new weeds from growing for up to 4 months
• This weed killer and preventer is rainproof in as fast as 30 minutes, and produces visible results in as fast as 6 hours
• Apply this herbicide to hardscapes and landscapes - cracks and crevices in driveways, sidewalks, and patios, along fences, in mulched beds or around the base of well-established desirable plants, shrubs, or trees, and on gravel areas
• All ornamental bedding plants, trees, shrubs, sod, and seed can be planted 4 months after application
• Add 6 fl. oz. of Roundup® Dual Action Concentrate per gallon, mix into tank sprayer, and spray weeds (to prevent new weeds and grasses from growing, you must spray the entire area you want to control, not just the emerged weeds)

Root out the toughest weeds and grasses with Roundup® Dual Action Weed & Grass Killer Plus 4 Month Preventer Concentrate. This formula kills existing weeds and grass down to the root, and prevents new weeds from growing for up to 4 months by creating an invisible barrier in the soil. Apply only where you want to kill existing weeds AND prevent future weed growth for up to 4 months, such as cracks and crevices in driveways, sidewalks, and patios, along fences, in mulched beds or around the base of well-established desirable plants, shrubs, or trees, and on gravel areas. In order to prevent new weeds and grasses from growing, you must spray the entire area you want to control, not just the emerged weeds. For best results, apply during warm, sunny weather above 60°F. Rain or watering 30 minutes after application will NOT wash away effectiveness. After application, weeds will begin to yellow and wilt within hours with complete kill in 1 to 2 weeks. All ornamental bedding plants (annuals and perennials), trees, shrubs, sod and seed can be planted 4 months after application. Roundup® Dual Action Concentrate covers up to 1,600 sq. ft.

Step by Step Instructions

When and Where to Use

Where Not to Use

Do NOT Spray...

• Plants or grasses you like – they will die.
• Landscaped areas around young plants or in areas that will be planted or seeded within 4 months.
• In lawns or for lawn renovation as this product prevents desirable grasses from growing too.
• For vegetable garden preparation or in and around fruits and vegetables.
• Next to a fence if desirable plants and grasses are growing on the other side.

Where to Use

Apply only where you want to kill existing weeds AND prevent future weed growth for up to 4 months, such as:

• On cracks and crevices in driveways, sidewalks, walkways and patios
• Along fences, foundations, retaining walls, and curbs
• In mulched beds or around the base of well-established (at least 6 months old) desirable plants, shrubs or trees
• Gravel areas
• On parking areas and under decks

When to Apply

• For best results, apply during warm, sunny weather above 60°F. Spray when air is calm to prevent drift to desirable plants.

How Often to Apply

• Wait at least 2-3 months before spraying a previously treated area.

Special Instructions

Watering Tips

• RAINPROOF: rain or watering 30 minutes after application will NOT wash away effectiveness.

Mixing Instructions

• 1 Tablespoon (Tbs.) = 3 teaspoons (tsp.)
• 1 fl. oz. = 2 Tbs.
• 6 fl. oz. = 12 Tbs.
• To measure the right amount of product, use the convenient easy-measure cap with volume markings inside.