Crabgrass is one of the most unwanted weeds on any lawn. This weed can spread fast, so it’s better to remove or kill it whenever you spot it on your lawn. You can easily identify it by its grass-like appearance and wide leaves.
Crabgrass has tough stems that hold heads of seeds on the tips. Each of its seeds, after maturing, can produce and send out more thousands of seeds. It has an extremely high seed production, which explains its rapid spread. So, without proper control, they can invade your lawn in a matter of months.
The good thing is that there are different ready-to-use solutions available that will easily and quickly kill the crabgrass before it can even spread and take over your lawn. However, when choosing the crabgrass killers, you also need to consider your safety and the plants on your lawn.
With this, our team of experts has tested and reviewed several products and rounded up the best crabgrass killers in the market. To ensure you that we have the safest items, we highlighted their best features and the possible challenges you might face when you use them. So, after going through the reviews and choosing the best product, don’t forget to click on the buttons below to get their best deals on Amazon.
Best Crabgrass Killer Barriers Comparison & Rating
Crabgrass Killer Barriers
1. BioAdvanced 100532518 Bayer All-in-One Weed & Feed
5 x 2.65 x 10.25 inches
This crabgrass killer is an all-in-one. It is a fertilizer and herbicide at the same time. The herbicides kill over 200 broadleaf weeds and grassy weeds like crabgrass. The micro feed action technology helps the fertilizer activate some nutrients in the soil, which improves the nutrient uptake between and during feedings. It also increases heat and drought resistance to your turf. Besides, it's also easy to use. You evenly apply the granules over the lawn. Treat the lawn borders by applying uniformly, then fill the center. You can use the broadcast or the drop spreader methods. It's a perfect crabgrass killer since it has benefits for your lawn, causing not much harm.
2. Roundup For Lawns Ready-To-Spray Weed Killer
2.43 x 4.75 x 11.19 inches
This crabgrass killer is very effective with the right application and consistency. It's also easy to use since you need to connect the sprayer to the garden hose. You then extend the hose to the furthest area you want to treat. Point the nozzle to the weeds you want to spray. Switch the ON button and spray evenly over the weeds. After you finish spraying, switch OFF and turn off the water as well. When through, disconnect the sprayer from the hose. It is ideal since it does not kill your lawn. The crabgrass killer will kill the roots, ensuring that the plants don't grow back again in your lawn.
3. Tenacity Turf Herbicide
2 x 2.5 x 4.5 inches
Concentrated Liquid (Needs Dilution)
This is undoubtedly one of the most effective crabgrass killers that you should try at your home. It prevents and controls crabgrass before they germinate from the seeds, and if others have already grown, it gets rid of them as well. More so, it can kill or prevent the crabgrass from invading your lawn for up to 4 tills. It is a natural herbicide since it has mesotrione as an active ingredient naturally produced by the bottlebrush plant. The crabgrass absorbs this herbicide through shoots, roots, and leaves, altering the process of photosynthesis retarding the crabgrass, and eventually kills the weed. This is the best crabgrass killer if you want to prevent or control crabgrass.
4. Ortho WeedClear Ready to Spray Lawn Weed Killer
2.33 x 5.5 x 11.25 inches
This is definitely a good spray to kill the stubborn crabgrass on your lawn. This is so because it kills crabgrass even with turf on the lawn, and it won't kill or make the turf turn its color. Like any other sprayer, you connect it to the garden hose and start using it after turning the water. Ensure you apply during spring and fall when the crabgrass is young and growing to get significant results. It also kills the roots; hence you don't have to worry about the crabgrass growing back again.
5. Natria 100532524 Grass & Weed Control Herbicide
2.33 x 8.5 x 12 inches
This is a non-selective herbicide that kills a wide range of weeds. The crabgrass killer is organic and natural because it is tough on weeds and easy on the environment. It has an exclusive formula that kills the crabgrass to the roots in a matter of some minutes. This herbicide is easy to use since it has an applicator whereby you use it to spray on the weeds until the foliage is completely wet. It's important to ensure that you have thoroughly covered the weed for it to work effectively. If you need to apply on individual weeds, apply the solution at the center of the plant. Repeat the application to control new weeds from emerging and growing from the seeds and re-growing from perennial weeds. This is a very effective and easy-to-use herbicide that you should consider.
Best Crabgrass Killer Barriers - Buyer's Guide
This is simply concentration potency. Most manufacturers indicate the area to be covered by a certain measurement of the herbicide. Know the size of your lawn to see how much concentration or spray you will need. This is very important since you will get accurate measurements.
You need to understand the different forms of herbicides and how they work. Some come in ready-to-use spray whereby they require you to connect to the garden hose, and you immediately start using. Others come in concentrated solutions whereby you will need to dilute the solution, and finally, some are granular. It would be best if you had a spreader to apply this type of herbicide. Choose wisely the one that has minimal dangers when measuring or sprinkling.
This is also a significant factor to consider. If you have other turf types that you would want to keep, always go for the crabgrass killer ideal for killing the weeds and not killing or destroying your lawn. Get herbicide depending on the turf and weed that you have in the lawn.
This is ideal if you have other weeds besides crabgrass that you want to get rid of. Most of the herbicides kill over 200 weeds besides crabgrass. This is ideal since you will protect your lawn from potential unwanted weeds that might invade your lawn in the future.
It is important to consider how easy it will be for you to apply the herbicide. Some of them are just ready to use; hence very easy to handle and use. Others require you to dilute the concentrated solution, requiring your time to come up with the required measurements for the herbicide to work effectively. Yet others require you to scoop and sprinkle but need a lot of care.
Best Crabgrass Killer Barriers - FAQs
Crabgrass killer should be applied when the temperatures are below 90-degrees Fahrenheit. Also, apply just before spring to kill the seeds of the weeds before they germinate.
Yes. It's crucial to pull them out since they might drop seeds. The seeds remain viable and can germinate the next spring season. Always pull them out, but carefully.
The herbicide takes two weeks, which is also the time it takes for the crabgrass to complete its seeding process. Apply the herbicide before the weed completes the seeding process.
You can use some crabgrass killers without killing grass on your lawn. Always read the instructions before purchasing to get the best that does not kill the lawn.