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A PreEmergent lawn care product eliminates weeds at the earliest stage of growth — before you even see them. Several key factors are important to consider if you want to use this type of weed killer effectively.

Have you hesitated to use a pre emergent herbicide because you didn’t understand what it does? Did you try to apply a pre emergent yourself and have poor results?


Have you repetitively sprayed weed killers? Have you spent countless hours pulling weeds? If you answered yes to either or both, you need a good pre emergent program. Pre emergents are one of the most important weapons in your pursuit of a beautiful healthy lawn.

Typical applications occur in early spring before warm season weeds appear and in autumn for cool season weeds. These preventative herbicides actually can be helpful throughout the majority of the growing season. Various weeds germinate at different times, so repeated applications of the correct chemical can eliminate the majority of the weeds in any lawn or yard.

The benefits of a consistent pre emergent program are:

  1. The weed is eliminated permanently, because the seed is allowed to germinate, and the young tender sprout is killed. A PreEmergent is activated in the top layer of soil, where the weed seeds sprout, and by design it stops the plant from growing. This is one key advantage over just putting down new soil or mulch to bury the seeds. Weed seeds remain viable many years, waiting for a chance to pop up. Pre-emergents break the cycle of constant regrowth of new weeds.
  2. A minimal amount of labor is involved in applying either a granular or a liquid version. The chemical is activated by applying water, usually within a couple of days, sufficient to soak it into the ground. It can remain effective in the soil for several weeks up to several months, depending on the ingredient used and the concentration of it. This benefit comes right at the time when there are so many other gardening tasks to which you want or need to give your attention.
  3. Deal more easily with any remaining weeds that manage to escape a treatment. Wiping out those straggler weeds and knocking down any remaining population of weeds before they go to seed is critical. Without relying on a preemergent to reduce the infestation, it always seems to be a losing battle to try to kill every weed before it reproduces.
  4. Each successive season the need to spray a post-emergent weed killer is lessened. The ideal status of completely eliminating weeds would also require that you take other measures to get your lawn healthy, thick and strong. In many yards, due to outside infestations, the need to continue with this herbicide will continue.

A pre-emergent is NOT effective once the weeds are showing. The chemical must be situated in place prior to the weed seed starting to germinate. If you wait, you lose. Call First Response Lawn Care (214) 701-7622 today to sign up for our effective 7-step program to feed your lawn and control your weeds!  We are happy to provide a free estimate! Be sure to check for any current promos before calling.