Best 2,4-D For Lawn | When & How To Use

Why are herbs popping up in my smooth-looking grass? These broad leaves weeds are disgusting. What makes them grow so fast? How to stop weeds in my garden.

WEED Killer! YES, that’s the solution!

Which  Weed Killers are best to fight against these herbs? If herbs are your main concern, you are not alone. We have got you covered through this post.

The most effective herbicide is 2, 4- D. Can you apply 2-4-D on the Lawn? Is it safe for grass? Does 2,4D kill weeds?  Stay tuned with us to know the answers here:

It’s safe to apply 2, 4-D herbicides on the lawn to kill weeds or herbs. This is formulated to increase the growth of cells to a certain extent that becomes uncontrollable. This way, the herb starts damaging from the leaf side and other areas. Now it becomes easy to eradicate.

The main function of 2,4-D is to damage the cells in plant tissues that transport water and nutrients. In this way, no more food will reach the plant and its growth will stop. It’s an auxin-type weed killer in fact.

Keep reading to stay updated!

Comparison Chart of Best 2,4-D Weed Killers

Wondering to know the names of the best 2,4-D Weedkiller? There are so many available in herbicide shops. Our gardeners bought a few and tested them personally on our plantation. Here they rounded a list of 5 Best 2, 4-D Weed Killers that you can use without hesitation:

Product Name Kills Weed Image 
Southern Ag Amine 2,4-D WEED KILLERBroadleaf Weeds
Compare-N-Save 2-4-D Amine Broadleaf Weed KillerBroadleaf Weeds
Hi-Yield 2,4-D Selective Weed KillerSelective weed killerDandelionChickweedPoison IvyPlantain
ALIGARH 2,4 D Amine Herbicide 2.5 GallonBroadleaf weeds
2;4-D Amine – Weedar 64 HerbicideKills 64 herbs

Is 2, 4-D Safe For Lawns?

Before using any product, you have to check whether it is safe for your lawn or not. For this proper research will prove very helpful. 

As well as 2, 4-D is concerned, it is safe for lawn and does not harm any plant or grass. It is safe because it contains active ingredients to control broadleaf weeds. It can do so without damaging any other grass or plant on the lawn. Be sure about the ratio of spray, as it will easily eliminate various non-grassy weeds.

Awareness is necessary before applying 2 4-D weed killers on turf. However, excess use of herbicides like 2 4-D will destroy your lawn instead of bringing good results. So, be careful and active while spraying it.

Mostly, on Bermuda Grass, it has fast effects in comparison to other grasses. As for CrabGrass, it will prove worthless, but at an early stage, it will work well. Not to apply it to kill weeds in dormant bermudagrass as it will damage your lawn completely.

What Weeds does 2, 4-D Kill?

It is important for us to know which plant or grass is affected by 2, 4-D weed killer. Generally, it kills broadleaf weeds but it does not work well on most grasses. It kills plants because of their cells in tissues that hold water and minerals to divide and grow without any hindrance.

Such plants are called auxin-type herbicides.

2, 4-D is very effective in croplands such as wild garlic, wild onions, smartweeds, and vines, etc. For best results, apply as a spray in warm weather when weeds or brush are actively growing.

As it is used in the seed process, it will not work on roots. You can apply it on lawns, grassy crops, or pastures. It will also control some clovers without damaging your lawn. It is formulated to kill broadleaf weeds, so it doesn’t control many other grass species.

2,4-D Blanket Spray on Broadleaf and Clover

Does 2, 4-D Kill Crabgrass?

While using 2, 4-D the big question comes to mind: Does it work for crabgrass?

Do you want to know the answer?

Let’s read!

2, 4-D does not work on many types of grass, crabgrass is one of them. 2, 4-D is a kind of herbicide with chemical powers that is unaffected on crabgrass because it spreads quickly and chokes out other grasses very fast. It observes all the water and nutrients from the soil and leaves the grasses to die. That’s why it is difficult to kill it. So, pre-emergent herbicides are best for crabgrass.

2, 4-D works only in early spring when seeds start to sprout. But if crabgrass has already taken hold of your lawn, it’s too late to apply herbicide.

2, 4-D Mixing Ratio and Application Ratio

How do you know the right amount of applying 2, 40-D? It’s crucial because both excess and dearth of this formula will bring damages to your lawn.

Each formula of 2, 4-D has a specific ratio of mixing and application listed on the product. This ratio depends upon the active ingredients of the herbicide.

Generally, if you are using a 2, 4-D Amine Weed Killer, the low economical rate to use it is 1-4 measuring cups per acre. 

The mixing ratio of 2, 4-D is 2-3 tablespoon in 3-5 gallons of water. It will cover about 1000 sq. ft of the affected area. 

As well as the application is concerned, apply it with a coarse low-pressure spray. For this purpose fan type nozzles are preferable. 

Mixture for Pump Sprayer

Take 2.5 ounces of liquid concentrate and mix it in one gallon of water. It will treat 400 sq. ft. of your lawn or yard area. If you want to cover an 800 sq. ft. area, double the amount of liquid and water for best results. You may increase the concentrate according to the area. Apply this mixture with a pump sprayer.

Mixture For Hose-End Bottle Sprayer

If you have a multi-use spray applicator attached to the end of your garden hose, take 6.5 ounces of herbicide to mix in water. This may cover 1000 sq. ft of lawn and 16 ounce is suitable to use in the tank.

Set the sprayer dial to deliver 2.5 ounces of herbicide for one gallon of water, but do not add water to the tank. The sprayer will automatically mix the concentrate properly when the water goes through from the garden hose. This will cover about 2500 sq. ft. area of lawn or yard.

Lawn Weed Control Using 2, 4-D

When to Spray 2 4-D on The Lawn

Be sure to make a perfect schedule to apply 2, 4-D on your lawn. It is crucial to get a healthy lawn. Always follow the instructions of the manufacturer to repeat the process of application.

You can spray herbicide once in spring and once in the fall. Do you want to get the best results? Apply it when the weeds are very small and are growing actively. It happens usually in the early spring season.

Spray your lawn with 2, 4-D after two days of the last mowing. It will work best on windless days at a temperature below 90 degrees Fahrenheit. 

If you are planning to spray on a new lawn, you have to wait about six weeks after seedling and four weeks after plugging. After using the spray 2,4-D wait for two days to mow the grass again.

How Long Does 2 4-D Take to Work?

Typically, it works very fast and shows results in a few minutes. You will soon see that plants will start to show the effects of herbicide and become brown in 48 hours.

Relatively, it has a short life in environments. In the soil, it remains live 10 days and in water, it has an average life of fewer than ten days. It has long-lasting effects in cold dry soils or in areas where a suitable infective community is not present for degradation.

Best time to apply 2-4-D 

To make your lawn the best, always try to apply herbicides at their proper time. Do you know what is the best time?

Let me tell you!

It is recommended by experts to apply 2, 4-D weed killer on your lawn when the weeds are young and in the growing process. Usually, it happens during the spring season. No doubt some seeds germinate in the fall and summer, but spring is the season of most active growth of plants or grass.

For magical results, you can apply 2, 4-D after 6 weeks of new seedling in your lawn. It will help your lawn to prevent the slow growth of grass. It can be applied at 40 to 60 degrees temperature but it will kill the weeds slowly at this level.

Can You Spray 2 4-d on Wet Grass?

It can be noticed that most herbicides could not work on wet grass because it may not observe properly in leaves and soil. That’s why experts recommend spraying before rain or after a long period of rain.

So, it is good to use 2, 4-D on dry grass instead of wet. Ony dry plants can observe the spray quickly to treat the grass. Generally, it is safe to use on established grass of a lawn.

If you spray herbicide on wet grass, it will combine with water drops and run off the leaves by following the water. Wet grass will not allow the spray to stick on the leaves or soak in the grass. So, most herbicides could not show results on wet grass.

best 2-4-D-Lawn


To summarize, 2,4-D is an effective herbicide for your lawn. With effective weed killer components, it makes your grass shine and bloom. But you need to follow the instructions mentioned in this post to apply it safely.

Keep it out of the reach of children. As it is based on a high acidic formula that can hurt pets and kids. Don’t forget to wear a mask and gloves before its application. Such herbicides are very intense and can cause breathing issues and enhance allergic symptoms. So take care!

Lisa Marshall

Hi, This is Lisa Marshall. Lisa has been working with farmers for over thirteen years. It is his passion, hobby and profession. To facilitate other gardeners from her experience, she has decided to start this website to share her gardening experience with her plant lovers.

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