#1. Compare-N-Save Pre-Emergent Weed Killer
If you want the best pre-emergent weed killer, the Compare-N-Save is certainly a really good option. This is less of a pre-emergent and more of a weed killer in that it just completely knocks out all weeds with roots and all. And don’t worry, it does a pretty good job in preserving the grass turf that you actually want. Also, we find that it is pretty good value for the money.
Best Pre-Emergent Weed Killer
- #1.Compare-N-Save Pre-Emergent Weed Killer
- #2.Natural Armor Weed & Grass Killer
- #3.Spectracide Weed & Grass Killer
- #4.Southern Ag 2, 4 – D Amine Weed Killer
- #5.Doctor Kirchner Pre Emergent Weed Killer
#1.Compare-N-Save Pre-Emergent Weed Killer
For those who are looking for the best pre-emergent weed killer, the Compare-N-Save brand is clearly the answer. It contains 41% glyphosate in a concentrated formula. So we find that a single application will kill most weeds, roots, and all. It is also one of the fastest-working weed killers out there and works in under 24 hours.
We like that it covers 25,000 with just one gallon, so this is way more than enough for most people’s lawns. And it is rainproof in two hours, which is always a plus. All in all, this is one of the better brands out there for a good reason. It really works in wiping out all unwanted weeds and preserves your turf lawn.
#2.Natural Armor Weed & Grass Killer
Next up, we have the Natural Armor Weed and Grass Killer, which is the best pre-emergent weed killer for those who prefer an all-natural alternative to chemical herbicides. In other words, this is the best non-toxic, biodegradable, and eco-friendly weed killer we could find for the money. Sure it doesn’t work as well as Compare-N-Save but it is less toxic.
So another good point that you should consider is that it is a no-mess formula that doesn’t require any diluting or mixing. All you need to do is spray and move on to the next spot. So in the end, you have to ask yourself whether or not you prefer a stronger weed killer or if you want to go the easy non-toxic route and sacrifice some killing power.
#3.Spectracide Weed & Grass Killer
Another great option when it comes to the best pre-emergent weed killer is the Spectracide Weed and Grass Killer. We like that it kills weeds and prevents them from coming back for up to 5 months. While we don’t think it is as strong as a weed killer as the Compare-N-Save brand, it certainly does a really good job in prevention and weed control. In fact, weed control is really where this product shines.
This is not to say that Spectracide is not a good weed killer, as you are probably looking for good weed killers. But just know that it is a better pre-emergent than a post-emergent with extended coverage. The very fact that it works up to 5 months in preventing weeds is great for the lazy folks who don’t want to put in work to maintain their lawns. Also, it is quick acting and pretty much rainproof.
#4.Southern Ag 2, 4 – D Amine Weed Killer
The Southern Ag 2,4 -D Amine Weed Killer is a nice selective broadleaf weed control and killer that has a 2, 4-D acid equivalent liquid concentrate in a low volatile amine form. We think that it works very well but it takes a little bit of patience and a week or so for it to take full effect. This is also more of a weed killer than a pre-emergent weed controller.
We find that it works really well for your lawn and keeps the wanted grass lush and green while killing ad preventing unwanted weeds from growing. Other brands might yellow your turf grass. Also, this is a concentrated solution so it dilutes quite well and you definitely get pretty good value for your money here.
#5.Doctor Kirchner Pre Emergent Weed Killer
The Doctor Kirchner Pre Emergent Weed Killer is a nice natural weed killer that is ready to use and doesn’t require any mixing. It is like the Natural Armor Weed Killer. Although in general, we like the Natural Armor Weed Killer more because it just seems to work better in killing off weeds while maintaining your turf grass intact, this product is also quite nice.
The difference in performance is pretty similar actually, so it really comes down to preference and price. In general, we find Doctor Kirchner to be cheaper but it will depend on where you get it. Sure it may not be as good at killing weeds as the other brand we recommended above, but it is quite easy on your lawn and will be non-toxic for your children and pets.