You can apply Hi-Yield 2, 4-D Selective Weed Killer to the grass directly after it has rained, however the product may not stick to the grass as well. If you add a surfactant you may get better results. This product will still work, however it may not work as fast, or you may need to treat again. For optimum results it is best to apply it once the grass has dried.
Hi-Yield 2, 4-D Selective Weed Killer can be used anytime your weeds are actively growing.
We would recommend using our Non-Ionic Surfactant product with Hi-Yield 2,4-D Selective Weed Killer. You will use 1 teaspoon per gallon of water.
Hi-Yield 2, 4-D Selective Weed Killer is safe around dogs when used as directed on the product label. Pets and people should be out of the area during treatment until dry, typically a few hours is best.
According to the Hi-Yield 2,4-D product label: To control broadleaf weeds in small areas with a hand sprayer, use 1 pint of this product in 3 gallons 3/4 gallon of water and spray to thoroughly wet all foliage (4 fluid ounces in ¾ gallon).
This would be 5.3 oz in 1 gallon of water for spot treatments.
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 product label for Hi-Yield 2, 4-D Selective Weed Killer: This pesticide may be toxic to fish and aquatic invertebrates. Do not apply directly to water, to areas where surface water is present, or to intertidal areas below the mean high water mark. Drift and runoff may be hazardous to aquatic organisms in water adjacent to treated areas. Do not contaminate water when disposing of equipment wash waters or rinsate.
Yes, Hi-Yield 2, 4-D Selective Weed Killer will target dandelions as well as several other weeds without harming your turf grass. Just follow the labeled instructions for mix rates and application instructions.
Hi-Yield 2, 4-D Selective Weed Killer is not labeled for the Chameleon plant, Houttuynia cordata. You can spot treat with a product like Gly Pho-Sel Pro with 41% Glyphosate. It appears this type of weed is best controlled by manually removing the plants and as many of the roots and rhizomes as possible and disposing of them by incinerating them. This will need to be done multiple times to get complete control. It might also be helpful to contact your local cooperative extension office here and speak with the master gardener on staff to see if they are aware of methods that others have used to control this plant in your area.
Yes, although the mixing ratios will vary. According to the Hi-Yield 2, 4-D Selective Weed Killer 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 is not labeled to control buckthorn. It appears that either a product like Crossbow or RoundUp can be used to kill cut stumps. Apply immediately after cutting the stump to prevent resprouting. There is a great article here from the Dept of Natural Resources in Minnesota that can help as well.
Hi-Yield 2, 4-D Selective Weed Killer will treat for sticker or sand burs. We recommend also to make sure there is an adequate amount of water being applied to your turf as sometimes lack of water can cause sticker bur. Please make sure to follow the product label for application
Hi-Yield 2,4-D Selective Weed Killer is safe to use on fescue turf and in pastures. Please see page 7 of the product label for complete instructions for applying this product on Established Pastures and Rangeland.
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.
Hi Yield 2, 4-D is not safe to be used on sensitive grasses such as Zoysia, Centipede and St. Augustine. Speedzone Southern? is labeled for Dollarweed and for use on St Augustine grass. According to the Speedzone Southern product label: The turf tolerance to this product may vary and temporary turf grass yellowing may occur on St Augustine. Do not apply Speedzone Southern to Floratam, Bitterblue or other improved species of St Augustine. Do not broadcast or spot spray St Augustine during the fall to winter transition or if temperatures are expected to fall below 40F within 10 days of the application. Please take a few moments to read through the product label completely for full instructions and other precautions.
