As long as the grass has become established and been mowed at least 2-3 times then you would be safe to apply a pre emergent such as Prodiamine 65 WDG to it for weed prevention this spring.
Prodiamine 65 WDG (Generic Barricade) would be effective at preventing oxalis however it does not kill existing weeds as it is a pre emergent only. Ferti-lome Weed Free Zone is labeled to be used in Bermuda for yellow oxalis. For common Bermuda grass, you can apply 1-2 oz per 1000 square feet. Please look over the product label for detailed application instructions.
Prodiamine 65 WDG (Generic Barricade) is labeled safe to be used around Nandina Fire Power also known as Heavenly Bamboo. Per the product label, apply at the mix rate of 0.37-0.83 oz/1,000 sq ft. In fall and/or spring before weeds germinate or after weeds are removed. Use the higher rate for longer control. Please review the product label starting on page 21 for more information.
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. Please view the product label for more information on mix rates and application procedures.
Prodiamine 65 WDG is safe to use on an established centipede lawn as long as you are following the instructions on the product label.
Snapshot DG Herbicide would be an excellent product to use in the berms once any new plants are established, and Prodiamine 65 WDG would be an excellent product to use in your turf. Be sure to check the product label to ensure that the weeds you are controlling are listed on the label.
The best and longest-lasting pre-emergent herbicide to use around areas like a gravel driveway where you do not want any plants to grow would be a vegetation management product like Martin's TVC Total Vegetation Management. This product will prevent any plant growth in those areas for up to 1 year. Just be sure not to apply in a way that would run off or contact the roots of desirable plants/turf since this product last for so long. If you have existing weeds in the gravel areas, then you can use RoundUp QuikPro to spot treat and kill any existing plants.
Yes, Prodiamine 65 WDG is labeled to control pigweed when used as directed.
It is recommended to wait 4 months after the application of Prodiamine 65 WDG (Generic Barricade) to do any type of seeding or plugging.
We are not aware of any studies that have been performed to see how the emergence of sub surface insects such as cicadas would impact a pre emergent barrier with Prodiamine 65 over time. While any disturbance in the barrier can create a weak spot, we couldn't determine how greatly or minimally the residual would be impacted. You may find a follow up application 8 weeks after your first spring treatment of the pre emergent will help reinforce the barrier and extend its life further into the growing season.
Typically you want to aerate before you apply any pre-emergents such as Prodiamine 65 WDG (Generic Barricade). Once you apply the pre-emergent, if you aerate you break the barrier of the application which can allow new weeds to germinate.
We have not heard of Prodiamine 65 WDG turning into playdoh substance. We believe there might have been some sort of residual left over from previous application that was not compatible with prodiamine. On the product label page 6 explains mixing components can cause sludge or gels to congeal. Also, it could have not been mixed properly. Large tanks are supposed to have an agitator when using this product.
We recommend you wait 3 days between the applications of Prodiamine 65 WDG and other herbicides to avoid over-stressing your turf.
Prodiamine 65 WDG (Generic Barricade) cannot be used for edibles plants/tress. We do carry the Hi-Yield Herbicide Granules or Monterey Vegetable & Ornamental Weeder that can be used around the listed vegetables on their respective product labels.
Yes Certainty and Prodiamine 65 WDG (Generic Barricade)can be mixed together with no issue as long as you follow all instructions on each product label.
Bentgrass is not listed as a tolerant species on the label for Prodiamine 65 WDG (Generic Barricade). The label actually advices not to apply where bentgrass is a desirable species. We do not have any pre-emergent herbicides that are labeled as safe for use on putting greens since the grass in those areas is under intense stress.
There is no exact rate to achieve exactly 5 months of pre-emergent control with Prodiamine 65 WDG. At the minimum use rate, depending on your turf type, you could get approximately 4 months of control.
Per the Prodiamine 65 WDG product label: To reduce the potential to injure overseeded turf, wait 60 days after seeding or until after the second mowing, whichever is longer, before applying Quali-Pro Prodiamine 65 WDG.
When to Overseed After Application (All States)* Quali-Pro Prodiamine 65 WDG will inhibit the development of turfgrass species overseeded too soon after application. Follow rates and intervals in the table below for best overseeding/reseeding results.
When used at the lowest rates, it starts at 4 months after application that you can overseed.
Prodiamine 65 WDG (Generic Barricade) will not be effective as a ground sterilant. Prodiamine will last in the soil for 3-5 months and will not kill listed turfgrasses. You may consider a product such as TVC Total Vegetation Control or Eraser Max if you want a product to help control all vegetation in an area for up to 12 months.
Yes, Prodiamine 65 WDG (Generic Barricade) is required to be mixed with water in a handpump or backpack sprayer prior to treating the lawn. You will need to reach out to the manufacturer Quali-Pro directly for recommendations on how to proceed. Quali-Pro can be reached at 800.242.5562.
While Prodiamine 65 WDG (Generic Barricade) is safe for most trees, quercus virginiana is not listed as a tolerable species. It does mention many other oak species. Please be sure to check the label for a full list. We would suggest applying outside the drip line of the tree to ensure proper root growth.
