If you are applying Hi-Yield 2, 4-D Selective Weed Killer in an area where animals will graze, then you would need to wait a minimum of 30 days after application before allowing animals back into the treated area. If you are applying in a non-grazing area, they would need to be kept out of the area while spraying and until the product dries completely.
The mixing rate of Hi-Yield 2, 4-D Selective Weed Killer is 1 gallon of product is 25 gallons of water per acre. It is recommended that you treat 1/3 to 1/2 of the water area in a single treatment. Wait at least 21 days to do the next part of your pond.
It is recommended that you wait until the temperature is 55 degrees Fahrenheit to apply Hi-Yield 2, 4-D Selective Weed Killer. Do not apply when temperatures are over 90 degrees F.
Pets and people need to be kept out of the area while Hi-Yield 2,4-D Selective Weed Killer is being applied and until everything is fully dry, which will take a few hours.
The ground can be watered prior to the application of Hi-Yield 2, 4D Selective Weed Killer if the soil is dry. We do not recommend applying when the lawn is stressed, in the heat of the day or when temperatures exceed 90 degrees.
Per the Hi-Yield 2,4-D Selective Weed Killer product label, for treating pennywort or other aquatic weeds: Use 1 gallon of this product in 25 gallons of water per acre. 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, so only treat 1/2 to 1/3 of the area at a time, and wait at least 21 days between applications in order to avoid fish suffocation.
It is best not to mow for 2 days before or after applying Hi-Yield 2,4-D Selective Weed Killer.
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 product label: For spot treatment in non-crop areas, use 1 pint in 3 gallons of water or 4 oz. in 3/4 gallon in a hand sprayer. 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 can be used anytime your weeds are actively growing.
Pets can usually return to the areas that are treated with Hi-Yield 2, 4-D Selective Weed Killer about 2 hours after the application. You want to make sure that the entire treated area is completely dry before allowing re-entry by any animals.
Hi-Yield 2,4-D is mainly labeled for broadleaf weeds and will not treat crabgrass. It would be best to know what kind of desirable turf grass you have in the area that needs to be treated, as many of the herbicides that are labeled for crabgrass may also damage several types of turf grass that are common in your area. Please take a look at our Crabgrass Control Guide for more information on treating and preventing this weed.
You can apply a fertilizer at any time after applying Hi-Yield 2,4-D. If the fertilizer needs to be watered in, you will need to wait 24 hours to allow the 2,4-D to fully dry before applying the fertilizer.
Once Hi-Yield 2, 4-D Selective Weed Killer is mixed with water, it can remain in the tank for up to 24 hours. If it stays in the sprayer longer than that, it looses it's efficacy because the water will break it down eventually. Also, it should not be used if winds exceed 15 mph.
The mixing ratio of Hi Yield 2,4-D Selective Weed Killer is 3-4 fl oz per gallon of water. For 4 gallons of water, you will use between 12-16 fl oz.
Hi-Yield 2, 4-D Selective Weed Killer is a selective post emergent herbicide so applications may be continued as long as the weeds are actively growing. We recommend contacting your local co-operative extension office for application times in your region.
2,4-D is only a post-emergent herbicide, so it will only treat the plants that you spray with it. Per the product label on the Hi-Yield 2, 4-D Selective Weed Killer you do not want to make more than 2 applications per year. Fall and spring are the best times to treat.
Herbicides such as Hi-Yield 2,4-D that will kill most broadleaf weeds will also kill existing clover. We would recommend just spot treating the areas with undesirable plants and then reseeding with your clover as needed.
When using Hi-Yield 2, 4-D Selective Weed Killer for chickweed you would mix it at 3 - 4 oz in 1 to 3 gallons of water per 1000 sq. ft. The manufacturer advises to wait a minimum of 30 days after application before allowing animals to graze on the treated area. It they are non-grazing, they would need to be out of the area while spraying and until the product dries completely.
While the product label for Hi-Yield 2,4-D selective Weed Killer states that St Augustinegrass may be injured by sprays, it is not really labeled to be used for controlling it.
Hi-Yield 2, 4-D Selective Weed Killer can be hazardous to fish.
