It is recommended to wait 4 months after the application of Prodiamine 65 WDG (Generic Barricade) to do any type of seeding or plugging with Zoysiagrass.
Prodiamine 65 WDG (Generic Barricade) is only a pre-emergent, used to prevent weeds from emerging. It will not kill anything that is actively growing. Hi-Yield Weed and Grass Stopper with Dimension is a very popular pre-emergent herbicide for sandbur. Be sure to check the product label to be sure it is safe to use on your turfgrass. If you are trying to kill existing sandbur, you can browse our post-emergent herbicides for this weed here.
Prodiamine 65 WDG will inhibit the development of turfgrass species overseeded too soon after application. It will depend upon the rate of product used per acre as to how many months you need to wait before reseeding. At the minimum use rate, you need to wait 4 months before reseeding. Please refer to the product label for complete instructions on reseeding.
Prodiamine 65 WDG (Generic Barricade) is only a pre-emergent, used to prevent weeds from emerging. It will not kill anything that is actively growing. This product will inhibit the development of turfgrass species overseeded too soon after application. It will depend upon the rate of product used per acre as to how many months you need to wait before reseeding. At the minimum use rate, you need to wait 4 months before reseeding. Please refer to the product label for complete instructions on reseeding.
Since Prodiamine 65 WDG is not labeled for use where animals graze or around animal facilities, we would not recommend using this in areas where the chickens will roam or feed. We would recommend waiting at least one year before allowing animals to graze in areas treated with this product.
As long as the application of Prodiamine 65 WDG has had at least 24 hours without rain, there isn’t a need to reapply. We would recommend delaying the application if you’re expecting more than 1 inch of rain.
You want to apply the Prodiamine 65 WDG (Generic Barricade) into the soil uniformly so that you get adequate coverage. Make sure to cover the area evenly. To decide how much water you want to use, you should mark a 1,000 sq ft area, fill your sprayer with water ONLY, and start walking and spraying just as if you were doing the actual application of herbicide. When you are done walking and spraying the 1,000 sq ft area note how much water it took you to spray that area, and that is the amount you will want to mix 0.185-.055 oz of product with for each 1,000 sq ft area that needs to be treated. Please refer the Prodiamine label to be sure of how much you will use.
Prodiamine 65 WDG (Generic Barricade) should not need to be reapplied after snow. More water in the area would just get it into the ground better. If you are doing a splilt application would be the only time a second application would be needed in the spring.
The 5 lb container of Prodiamine 65 WDG (Generic Barricade) is equivalent to 80 fl oz. The 0.55 oz that is the is the maximum amount that can be applied to your lawn annually is equivalent to 3.3 tsp.
Tenacity Herbicide should be applied before soil temperatures reach 55 degrees if using as a pre-emergent. If as a post you would apply when the target weeds are actively growing and healthy. When used at the lowest rates, you can overseed beginning 4 months after application of Prodiamine 65 WDG. Please see the product label beginning on pg. 13 for complete instructions on overseeding.
The product label states the following: To reduce the potential to injure overseeded turf, wait 60 days after seeding or until after the second mowing, whichever is longer, before applying Prodiamine 65 WDG.
Prodiamine 65 WDG is odorless.
You can leave a portion of the lawn needing seeding untreated by Prodiamine 65 WDG (Generic Barricade). You would want to only apply to the areas you do want the application and water in to prevent the product from moving to untreated areas.
When doing a split application of Prodiamine 65 WDG you should wait 6 weeks between applications.
Prodiamine 65 WDG comes in a jug as shown on our site. This is a water dispersible granule you measure out dry and mix with water to spray. The only Prodiamine that should come in bags would be graular versions to be applied with a spreader.
Prodiamine 65 WDG (Generic Barricade) should not harm most trees and is safe for Japanese Maple trees. You should keep the product from contacting the foliage.
Prodiamine 65 WDG cannot be used in pastures where animals will graze. We apologize, but we are not aware of a pre-emergent herbicide that can be used in grazing areas. You may want to contact your local cooperative extension office to see if they have any recommendations.
Per the manufacturer, as long as you had watered in the Prodiamine with 1/2” of water after application, this would have washed the product off of the leaf blade and put it down into the soil so, then you can compost your grass clippings. If you did not water it in after application, then no, you would not want to compost your clippings.
As long as you water in the Prodiamine 65 WDG (Generic Barricade) after application and there is not a heavy rain until it is dry, the product will not run off into surrounding areas.
It is always best to perform any type of maintenance such as dethatching before you put down a pre-emergent like Prodiamine 65 WDG (Generic Barricade) so that you do not interrupt the barrier and, therefore, get inconsistent weed control. You could potentially dethatch with a hand rake after watering in the Prodiamine application with at least 1/2 inch of water. Allow that watering to dry completely before dethatching.
