Hi - Yield 2, 4 - D Selective Weed Killer - Questions & Answers

Hi-Yield 2, 4-D Selective Weed Killer is labeled for boat applications at the rate of 1 gallon of product to 25 gallons of water per acre. During the growing season, weeds decompose in a 2 to 3 week period following treatment. Begin treatment along the shore and proceed outwards in bands to allow fish to move into untreated areas. Waters having limited and less dense weed infestations may not require partial treatments.Uniform coverage is essential. Avoid submerging plants after treatment. Application should be made when leaves are fully developed above water line and plants are actively growing. Treatment of aquatic weeds can result in oxygen loss from decomposition of dead weeds. This loss can cause fish suffocation. Therefore, to minimize this hazard, treat 1/3 to 1/2 of the water area in a single operation and wait at least 21 days between treatments. Begin treatments along the shore and proceed outwards in bands to allow fish to move into untreated areas. The maximum rate per broadcast application is 4.7 gallons per surface acre, limited to applications is 2 per year. Do not make a broadcast application within 21 days of previous broadcast application. Spot treatments are permitted. 

Hi-Yield 2, 4-D Selective Weed Killer can take up to two weeks for complete burn down depending on type of mix rate and application.

Hi-Yield 2, 4-D Selective Weed Killer is not safe to use on sensitive grass such as St. Augustine.  We would recommend using Fertilome Weed-Out Lawn Weed Killer with Trimec which is labeled for Virginia Buttonwood and can be applied to St. Augustine Grass.

Hi-Yield 2, 4-D Selective Weed Killer should be applied when you are not expecting any rainfall for at least 24 hrs.

The mixing ratios for Hi-Yield 2,4-D? will vary according to where you are treating and what you are treating for. According to the Hi-Yield 2, 4-D Selective Weed Killer product label: In pastures and range land: Use 3 to 4 oz. in 1 to 3 gallons of water per 1,000 sq. ft. On Ornamental Turf: Use 16 oz. in 1 to 8 gallons of water per 2,725 sq. ft. or 2 gallons in 15 to 50 gallons per acre. Please review the product label for complete usage instructions.

Hi-Yield 2, 4-D Selective Weed Killer does not list on the product label that it is safe for use around edibles, only in non-crop areas.  The Avenger Weed Killer Concentrate is safe for use around edible vegetation and fruit trees as it does not persist in the soil and is approved for organic gardening.  Be sure to not spray any of the plants you do not want to kill as it is non-selective and will kill anything to which it is applied.

Hi-Yield 2, 4-D Selective Weed Killer is labeled for controlling hemp but is not for use on corn. We recommend consulting your local Dept of Ag or Cooperative Extension for assistance with finding a product appropriate for your needs.

Hi-Yield 2, 4-D Selective Weed Killer is not really labeled for brush and vines.  A better option would be Crossbow Specialty Herbicide - 2, 4-D & Triclopyr.

Hi-Yield 2, 4-D Selective Weed Killer is not labeled for dollarweed or to be used around edibles at any rate.  A better option in this area would be to spot treat with a glyphosate-based product like GlyPhoSel Pro.

Hi-Yield 2, 4-D Selective Weed Killer will not kill the maple seeds before they sprout.  It needs to be applied to the actively growing weeds to be effective but is not labeled for tree seedlings.  Something like the Ferti-lome Brush Killer and Stump Killer would be a better option.

Yes, Hi-Yield 2, 4-D Selective Weed Killer is labeled to control wild strawberry.

We recommend to spot treat with Roundup for goatweed around edibles such as watermelons. 

Hi-Yield 2, 4-D Selective Weed Killer does list watershield on the product label.  The recommended use is for Boat Application: Use 1 gallon of this product in 25 gallons of water per acre. Please refer to the product label for complete instructions on page 9-10.

Hi-Yield 2, 4-D Selective Weed Killer is not labeled for use on Hajaro. We would recommend to spot treat around the Hajaro to kill weeds with Roundup. 

Per the product label for Hi-Yield 2, 4-D Selective Weed Killer, it is recommended that you wait until the next growing season to plant anything. For example, if the product was applied in the spring, items can be planted in the fall and vice versa. 

Hi-Yield 2, 4-D Selective Weed Killer should be applied to the prior season when seeding or sodding. So if you treated with the product in the spring, you could seed/sod in the fall. If applied in the fall, you could seed/sod the following spring. Using a non-selective that does not stay in the soil very long would be a great idea such as Avenger, RoundUp, etc. You could seed/sod two weeks after treatment and removal.

 Hi Yield 2, 4-D is not safe to be used on sensitive grasses such as Zoysia, Centipede and St. Augustine.

You should only apply Hi - Yield 2, 4 - D Selective Weed Killer at the rates listed on the product label to avoid harming your desirable turf. 

You should not spray 2,4-D products such as Hi - Yield 2, 4 - D Selective Weed Killer in a way where the spray or drift could contact desirable trees or ornamentals. 2,4-D also has some volatility, so you do not want to spray it close to trees, shrubs, flowers, etc.

How often you can retreat using Hi-Yield 2,4-D Selective Weed Killer will depend on where you are applying the product. In ornamental turfgrass such as your lawn, you can retreat with spot treatments as long as you do not exceed the maximum seasonal rate of 3.5 gallons per acre, excluding spot treatments. Broadcast applications on ornamental turf are limited to two applications per year. Please refer to the product label for complete application instructions.