How Long Does it Take for 24d to Kill Weeds?

24D is a very popular and effective herbicide that homeowners use to control weeds on their lawns. It’s also used for agricultural purposes and can control broadleaf weeds in orchards and pastures.

There are hundreds if not thousands of herbicides on the market that contain 24D. These products are selective herbicides that are used to kill broadleaf weeds. You can spray your entire lawn, and weeds like dandelions and clovers will die without killing the grass. One of the most common questions homeowners ask about 24D is, ‘how long for 24d to kill weeds?’ This article will tell you what to expect after spraying and how long the product takes to work.


Using 24D on Your Lawn

How long for 24d to kill weeds

24D is available either as a ready-made liquid spray, in granules, or as a concentrate that must be mixed with water before use. Always read the manufacturer’s instructions before using any type of herbicide. To get the best results, you’ll need to apply 24D in the correct doses to properly kill weeds. Most 24D products are fast-acting and will begin work straight away after application.  It’s best to use 24-D BEFORE you mow.

Once you spray your lawn, the product will begin to soak into the soil and be absorbed by the weeds via their roots and leaves. You can keep an eye on your lawn to see what effect the solution is having. Most people notice signs that the herbicide has started to work after just six hours. Weeds will begin to wilt and turn yellow. It will take between one to two weeks for the formula to work completely, and after this time, you should expect all your weeds to have died.

It takes between one and fourteen days for 24d to break down in the soil and for half the amount applied to be dispersed. After a month, there will no longer be any traces of 24d left in the ground.

It’s also worth considering the weather forecast before applying 24d. This herbicide needs to be applied at least two hours before it rains. After a couple of hours, the product is rainproof. If it rains shortly after you’ve applied 24D to your lawn, the product will be less effective or will take longer to kill the weeds. You may find that the weeds begin to wilt and turn yellow but revive after a few weeks.

If you use 24D of a large patch of stinging nettles, you should use a fine spray. Don’t spray herbicides if it’s windy, as the spray could be blown onto other areas of your yard, such as your flower bed or vegetable patch, and accidentally kill other plants. It’s likely to take up to two weeks to kill stinging nettles with 24D.

Hi-Yield (21415) 2,4-D Selective Weed Killer (32 oz)
  • This selective weed killer kills or controls many Broadleaf Weeds and plants susceptible to 2, 4-D.
  • Works on Dandelion, Arrowhead, Buckhorn, Aster, Goatsbeard and more. See label for full list.
  • Pairs great with Hi-Yield Spreader Sticker (31063) for increased effectiveness.
  • Product can be used on Lawns, Ponds, Drainage Ditches, Pastures and Rangelands.
  • See product label for application rates and instruction

It Can Take Up to 2 Weeks to Kill Weeds After Using 24D

24D kills weeds from almost instantly to needing 2 weeks to get the job done.

24D is a very popular and effective herbicide that selectively kills broadleaf weeds without affecting grass. It’s commonly used by homeowners to control weeds on their lawns and by farmers and orchard managers to kill broadleaf weeds in orchards and pastures. Within six hours of spraying weeds, you may notice results as many weeds start to wilt and turn yellow quickly. However, it will take between one and two weeks for weeds to die completely.

Best time of year to use 24D.

Last update on 2024-12-22 / Affiliate links / Images from Amazon Product Advertising API