Yes, Hi-Yield Atrazine Weed Killer can harm shrubs/bushes so it is recommended to apply around them to avoid injury.
Hi-Yield Atrazine Weed Killer is safe to apply to St. Augustine and Centipede grasses. It should not be applied to any other species.
Per the Hi Yield Atrazine Weed Killer product label: This product may be applied during both dormant and growing seasons. Best results are usually obtained when applied in early Spring or dormant periods when weeds are small or have not emerged.
Hi-Yield Atrazine Weed Killer should be used within 24 hours of mixing with water. Atrazine is not labeled to control basket grass. It would be best to spot treat with a glyphosate based product and resod the areas.
Hi-Yield Atrazine Weed Killer can be applied early in the morning before temperatures reach 90 degrees if it's expected to get this hot on the day of application. You just do not want to apply during the time of high temperature because your desirable turfgrass is under more stress in high heat.
Hi-Yield Atrazine Weed Killer is not labeled to be used on pastures.
Unfortunately, there is little that can be done to counteract the effects once Hi-Yield Atrazine has been applied to a grass species other than Centipede or St. Augustine grass. You can replant, but the product label states that if you are replanting with anything other than Centipede or St. Augustine, the minimum wait time for replanting is 12 months. You may wish to contact the manufacturer directly to see if they have any other recommendations. You can reach VPG/Hi-Yield by calling 855-270-4776.
Hi-Yield Atrazine Weed Killer contains 4% of the active ingredient Atrazine.
Hi-Yield Atrazine Weed Killer is available in a quart size bottle on our site. Blindside is a new product that is only available in the one size, an 8 oz bottle.
As you probably know, Centipedegrass is a very sensitive species of turf so many products that eliminate the crabgrass and other weeds can also cause damage to your lawn. Hi Yield Atrazine is safe to be used on Centipede and it will suppress Crabgrass but may not completely eliminate it. It will also control a large variety of other broadleaf weeds. Tenacity is a great pre and post emergent herbicide that will control crabgrass along with many other types of weeds without harming your centipede lawn. Make sure to read the Tenacity label very carefully and mix exactly what is recommended as this is a strong product and mis-using it can cause temporary turf injury. When applying tenacity it is highly recommended to use a temporary turf colorant like Turf Mark Blue to allow you to see where you are spraying. Overlapping your application of Tenacity can cause temporary whitening of the lawn as well, but the color will return in 3-4 weeks at most.
Hi-Yield Atrazine Weed Killer could harm shrubs or bushes. We recommend to apply the atrazine around the bushes/shrubs. Gordons Ornamec would be a better choice.
The exact amount of time it will take to see results with Hi-Yield Atrazine Weed Killer can vary somewhat, depending on what type(s) of weeds you are treating. Typically, Atrazine is a very slow-acting herbicide, and it can take up to 4-6 weeks after application to see full results.
As you probably know, Centipedegrass is a very sensitive species of turf so many products that eliminate the crabgrass and other weeds can also cause damage to your lawn. Hi Yield Atrazine is safe to be used on Centipede and it will suppress Crabgrass but may not completely eliminate it. It will also control a large variety of other broadleaf weeds. Tenacity is a great pre- and post-emergent herbicide that will control crabgrass along with many other types of weeds without harming your centipede lawn. Make sure to read the Tenacity label very carefully and mix exactly what is recommended as this is a strong product and mis-using it can cause temporary turf injury. When applying Tenacity it is highly recommended to use a temporary turf colorant like Turf Mark Blue to allow you to see where you are spraying. Overlapping your application of Tenacity can cause temporary whitening of the lawn as well, but the color will return in 3-4 weeks at most. Please let us know if you have any other questions.
Yes, you can use Hi-Yield Atrazine Weed Killer for all the weeds you listed except for Johnsongrass. Atrazine will suppress crabgrass, but it may not competely control it. The best time to treat for post-emergent control is when the weeds are young and actively growing, usually when temperatures are between about 55 and 85 degrees. Please refer to the product label for a complete list of plants controlled and for full application directions. You could use Certainty Herbicide to help control johnsongrass in Centipede turf.
The products we carry that contain Atrazine such as the Hi-Yield Atrazine Weed Killer state on the product label: This product is to be mixed with water only. Combinations with other chemicals in the application mixture are not recommended.
Do not overseed turf areas within 6 months of treatment of Hi-Yield Atrazine Weed Killer.
The mixing rate for Hi-Yield Atrazine Weed Killer is 4.4 fl oz per gallon of water and will treat 1000 square feet. The rate of the surfactant is 1-2 teaspoons per gallon of water.
Yes, Hi-Yield Atrazine Weed Killer can be applied to St. Augustine turfgrass to treat actively growing poa annua. You will apply 8.6 oz. per 2 gallons on water per 1,000 sq. ft.
You could mow your grass 2 days before applying Hi-Yield Atrazine Weed Killer and can mow at least 3-4 days after application.
Hi-Yield Atrazine Weed Killer is mixed at 8.8 oz. per 2 gallons on water per 1,000 sq. ft so a quart will treat 3,720 sq. ft. You will need 3 quarts to treat 10,000 sq. ft. Please keep in mind that this product can only be applied to St. Augustine or Centipede grasses.
