How long Prodiamine 65 WDG (Generic Barricade) will last will depend upon the rate of product used per area which depends on your turfgrass type and program you want to follow. It can last between 3-8 months. Please refer to the product label for complete information.
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.
While the Prodiamine 65 WDG (Generic Barricade) and Triplet SF should have no tank mixing compatibility issues (you should do a jar mix test first to be sure) you would normally not apply these products at the same time. Prodiamine needs to be watered in after application as you are trying to get the ingredient to the soil and create a wall-like barrier to prevent weed seeds from emerging. With a post emergent like Triple SF, you do not want rain or irrigation for at least 24 hours after an application, and you use less water volume during a post emergent treatment than you would a pre emergent application, as you do not want it to wash from the leaf surface but rather stay on the plant where you applied it to be asborbed. To not over stress the lawn it is often advised to wait 2-3 days or up to a week between treatments.
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.
Prodiamine 65 WDG (Generic Barricade) is labeled to help control Yellow Woodsorrel (from seed), and it is not labeled to be used around dymondia. You may use a pre emergent product such as Pendulum 2G instead. This product is labeled to control Yellow Woodsorrel and can safely be applied around dymondia as long as you are following the instructions on the product label.
Yes, Prodiamine 65 WDG (Generic Barricade) can be tank mixed with other pesticides as long as you follow the most restrictive instructions out of the two products you wil be tank mixing.
According to the product label of Prodiamine 65 WDG, as long as you are following the most restrictive instructions of the products you choose. "When using Prodiamine 65WDG in a tank mixture with other pesticides, observe the most restrictive label limitations and precautions on the labels of the products used. Before tank mixing with other pesticides not named on this label, compatibility must be tested." See the COMPATIBILITY TEST section on page 6 of the product label. We normally suggest making two separate applications instead of one tank mix with herbicides and insecticides. If your lawn is under stress, we would recommend doing separate applications.
Prodiamine 65 WDG (Generic Barricade) is only a pre-emergent that prevents weeds from germinating, it would not kill established weeds. Please view our How to Get Rid of Poa Annua Treatment Guide for more information.
Pre-emergents are best applied typically when soil temperatures reach 55 degrees however the application timing of Prodiamine 65 WDG (Generic Barricade) will vary according to the exact weeds you are targeting and your specific region. We recommend contacting your local extension office to confirm the right application timing for your area. We do have a Lawn Care Schedule on our site with general time frames that may also be helpful.
Yes, the product label recommends to use Prodiamine 65 WDG (Generic Barricade) with a handpump or backpack sprayer. We would recommend using a mist stream. You would calibrate by determining the volume of water required to treat 1,000 square feet. Use this calibration volume to determine the amount of water and Prodiamine 65 WDG herbicide needed to treat the target area (see the following calibration example).
Note: Sprayer calibration (volume of spray needed to treat 1,000 square feet) will vary with each individual operator.
Steps in Calibration:
1. Mark an area of 1,000 square feet (i.e. 20 by 50 feet or 25 by 40 feet).
2. Place the sprayer on a level surface and add water noting the final level of water in the spray tank.
3. Spray the marked area with a sufficient volume of water to provide uniform coverage. Refill the sprayer to the same level as before measuring the amount of water added. The measured water added to the sprayer is the volume needed to cover 1,000 square feet.
4. Determine the application rate (fl. oz./1,000 sq. ft.) for Prodiamine 65 WDG from the Recommendations section of this label.
5. To each volume of water used as measured in step 3, add the amount of Prodiamine 65 WDG as determined in step 4.
Example: If the sprayer uses 2 gallons of water to cover 1,000 square feet and the desired application rate of Prodiamine 65 WDG is 0.185 - 0.055 oz/1,000 square feet, then you would add 0.185 - 0.055 oz of Prodiamine 65 WDG to every 2 gallons of water to be used."
Prodiamine 65 WDG is an effective pre-emergent herbicide for pre-emergent grass and broadleaf weed control. This product will not act as a post-emergent. Timing is very important when applying pre emergent products are you want to be sure to apply before the weeds germinate. For the best timing on when to apply a pre-emergent in your specific region, we would recommend contacting your Master Gardener at your local cooperative extension office.
You may spot treat actively growing weeds with a post-emergent product. In order to make a proper recommendation, we would need some more information.
1. Which specific weeds are you targeting?
2. What type of grass do you have?
3. How much area will you be treating?
For the best timing on when to apply Prodiamine 65 WDG, we would recommend contacting your Master Gardener at your local cooperative extension office as they will have information for your specific region. Please be sure to review the product label for more information and complete application instructions before use.
