Answer: 2, 4-D is a generic broad leaf weed killer found in almost all broadleaf herbicides. Since St. Augustine is a grass (and not a broadleaf), 2,4-D will not kill it.
Can you use 2,4-D on St Augustine grass?
Answer: Unfortunately, Hi-Yield 2, 4-D Selective Weed Killer is not labeled for St Augustine. In fact according to the product label it can cause injury to this type of grass. We would recommend using a product such as Trimec Southern Broadleaf Herbicide which is labeled for St Augustine as long as it is not Floratam.
How do I get rid of weeds without killing St Augustine grass?
Other Methods To Get Rid Of Weeds Naturally
- Use the sun to kill weeds. ...
- Make a weed spray from 1 oz of vodka to 2 cups water or combine 4 cups horticultural vinegar (also known as 20% vinegar, it's considerably stronger than household vinegar) and ¼ cup salt. ...
- Pour boiling water on weeds. ...
- Get a flamethrower (really).
