Roundup is a brand name for a glyphosate herbicide produced by Monsanto Corp. It kills weeds without harming grass or other vegetation, making it popular with farmers and homeowners alike. Roundup is manufactured in both ready-to-use bottles and large, concentrated bottles that can be diluted after purchase. The concentrate produces more ounces of finished spray than premixed bottles, making it more popular and cost-effective.
Things You'll Need
- Gloves Breathing mask Goggles 1-gallon garden sprayer Water Roundup concentrate Measuring spoons
Determine what strength of Roundup is necessary to kill the weeds on your property. Delicate plants such as lantana can be killed with a weaker solution, while hardier plants like beachgrass require a strong concentration of herbicide for best results. Check the Roundup product label for a complete listing of appropriate concentrations.
Put on protective equipment before mixing Roundup. Heavy work gloves and goggles should be worn to prevent chemical burns, and a breathing mask is necessary to keep from inhaling minute chemical particles.
Fill a 1-gallon sprayer with clean, warm water. Use the measuring spoons to pour the specified amount of Roundup into the sprayer. For example, killing honeysuckle requires a 0.8 percent concentration of Roundup. It takes 1 oz., or 2 tbsp., of Roundup mixed with a gallon of water to produce a 0.8 percent solution.
Place the lid on the sprayer and shake gently back and forth to combine. Spray weeds early in the morning, so the product has a chance to penetrate to the root of the plant during the heat of the day. Spray the weeds again in a week if they still show signs of life.
Tips & Warnings
- Avoid spraying Roundup near animal troughs or feed pans. It can be toxic if ingested.
- Don’t spray weeds on days with rain in the forecast. Roundup does have a one-hour rain warranty, but heavy storms will dilute the chemicals and render them ineffective.
- Photo Credit danelion and blue sky image by Warren Millar from Fotolia.com
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