The 10 Best Weed Killers for Lawns

Weeds can reduce the aesthetic value of your garden. Therefore, you should get rid of them as soon as they sprout. Most lawn lovers are faced with a dilemma because some weeds and grass killers are unselective. Unselective herbicides can be detrimental to the grass you have taken years to tender. Therefore, it is essential to know the best weed killers for lawns to prevent any damage to your lush grass. We understand that you want to kill the weeds with little if any disturbance on your turf. Apart from interfering with the beauty of your lawn, weeds will also deprive the grass its nutrients and space to thrive. Also, keep your lawn tidy with the help of a zero turn lawn mower here!

The effects can make the grass unhealthy leading to withering. There are some weeds you can quickly get rid of through weeding or uprooting. Others are stubborn and trying to uproot them will prove futile. We are also not ignorant that weeding and uprooting can be tiresome for you. The most convenient, reliable, and simplest method to bid pesky weeds goodbye is the use of chemicals. Find a trust weed killer that prevents the weed from re-growth! For other ways to keep your yard looking top-notch, see these string trimmers.

Our Top 3 at a Glance
  • Effective weed killer
  • Large coverage per liter
  • Friendly to plants
  • Guarantees weed prevention
  • Easy to apply
  • It is not affected by rain
  • Fast action
  • Portable package
  • Highly effective
PictureWeed killer for lawnsVisible ResultsArea of UseCoverage
Compare-N-Save Concentrate GrassCompare-N-Save Concentrate Grass2 - 4 DaysLawn, Patios, Walkways25,000 sq. ft
Preen Garden Weed PreventerPreen Garden Weed PreventerActive for 3 Monthslawn5,000 sq. ft
Roundup Concentrate PlusRoundup Concentrate Plus12 HoursLawn, Hedges, Pathways1,500 sq. ft
spectracide weed killerSpectracide HG-960173 HoursLawn, Flower Beds, Patios, Walkways300 sq. ft
Roundup 5725070 Extended ControlRoundup 5725070 Extended Control3 HoursLawn Edges, Walkways, Driveways400 sq. ft
Southern Ag 2,4-D Amine ControlSouthern Ag 2, 4D Amine Weed Killer3 Hourslawn, Pastures, Parks, Golf Courses1,000 sq. ft
Roundup 5200210Roundup 52002103 HoursLawn, flower Beds, Patios, Walkways400 sq. ft
PBI/Gordon 652400 Speed ZonePBI/Gordon 652400 Speed Zone1 - 2 Dayslawn18,000 sq. ft
Ortho Weed-B-Gon PlusOrtho Weed-B-Gon Plus3 Hourslawn6,400 sq. ft
Scotts Halts Crabgrass & Grassy Weed PreventerScotts Halts Crabgrass Weed Control & Grassy Weed PreventerActive for 6 Monthslawn5,000 sq. ft

Weed Killer Buyers Guide

What to Look For When Buying Weed killer for Lawns

weed-killer-houseFor positive outcomes, you should not buy weeds and grass killers casually. There are fundamental factors like chemical composition, selectivity, usage, action period, and mode of action which you should consider. These technical jargons are barely understood even by passionate lawn lovers.

The performance of the product you buy is dependent on these elements. Therefore, you should seek to have the basics before visiting your vendor or making an online order. Let’s look at some aspects you should consider when purchasing the best lawn weed killer for lawn care.

Coverage

Most turf herbicides are mixed with water before spraying. Depending on the concentration of the elements, the area a measure of a particular turf herbicide enough for your lawn is different. Highly concentrated chemicals are needed in smaller quantities than dilute ones. Because you want to get the most from your purchase, you should consider the coverage of the product you are buying. The size of the package should not trick you. Coverage should guide you to make the right decision because some herbicides come in a little package but can cover a large area.

Selectivity

A suitable turf herbicide for lawn care should not destroy your grass after spraying unless you want to do an overhaul of your lawn and have a fresh start. The weed killer should cause little to no disturbance to the desirable plants in your yard. Of course, you want your lawn to be left intact after applying turf herbicide. However, perennial weeds are difficult to spray without affecting your grass. You should be cautious when dealing with weed grass killers that destroy perennial weeds. You can practice caution by applying the chemical selectively on the weeds only.

Residual Effects

weeds-soil-imageWe are leaving in an error of environmentally friendly products when considering your lawn care. Some vegetation killer products will inhibit the growth of plants after accumulation in the soil. The best lawn weeds and grass killers will dissolve and not affect the productivity of your land.  The chemicals could also adversely affect the soil pH leading to malnourished plants.

Over time, these herbicides could negatively impact the vegetative nature of your lawn. Some substances like lead are carcinogenic if they accumulate in your land. The impact should be felt by the target plants and secondary effects kept at a minimum.

Area of use

Weeds grow in different areas depending on prevailing conditions. Each environment encourages a particular kind of weed to grow. The weeds you find on your grass lawn are different from those in your orchard. Some are easy to get rid of due to shallow roots while others are deep-rooted making control weed and grass build up difficult. Before you decide the turf herbicide to purchase, it is advisable to consider the area of use. There are some herbicides which could be strong and not healthy to use near homesteads or animals’ shelter.

There are annual, biennial, and perennial weeds. Annual weeds are the easiest to control. They are almost in all areas. An ordinary weed killer will eradicate these types of weeds without any effects on your lawn grass. They have shallow roots which make the plant wither quickly after spraying. The second kind of weeds is relatively difficult to control. It requires stronger herbicides than the first.

Perennial weeds are the most difficult to control. You require strong chemical composition to get rid of these weeds. For other ways of disposing vegetation, check out our review on the top compost bins! They have deep roots and a long life cycle which make them stubborn to mild herbicides. It may require consistent praying for a period before any noticeable effects on these plants. You will find this kind of weeds in your hedges and driveway.

Visible Results

weeds-imageAfter how long do you want to see the lawn care results of the vegetation killer? Like carbon monoxide, some herbicides are slow killers while others do it within a day or two. Depending on the severity of the effect and how mad you want to see the beauty of your lawn restored, weeds and grass killers act after different periods. The destruction mode also varies.

There are those that kill from the roots while others destroy from top to bottom. The weather condition may also affect the results of a pesticide. Therefore, it is advisable to read the prescription before application. Let’s look at the best weed killers for lawn care and their scorecards.

View the Best Weed killer for your lawn, Below.

1. Compare-N-Save Concentrate Grass

best overall ratingCompare-N-Save Concentrate Grass

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This herbicide is highly effective on weeds and is fast acting. Due to glyphosate content, it kills both weeds and grass. If you want to get rid of stubborn perennial weeds, this product will serve that purpose efficiently. It comes in a package of one gallon that is nicely designed with prescription details. The chemical is highly concentrated and can be diluted with several gallons of water. It performs its function by inhibiting particular plant enzymes which are essential for sustenance.

You should note that application of concentrated Compare-N-Save will to hasten weed withering. However, consistent spraying with the right solution increases the speed of action.

Coverage

One gallon is enough to cover 25,000 sq. ft. The fast acting herbicide is diluted to make 85 gallons of solution. The concentration is recommended for fast action and destruction of lawn weeds.

Selectivity

You should apply selectively on weeds that you want to get rid of. It is sprayed on the leaves and foliage for maximum inhibition of enzymes. It could affect your plants or lawn grass if not sprayed with caution.

Residual effects

The fast acting herbicide is highly soluble and does not leave any residual effects. It does not affect future growth of plants. A day after application, you can plant some plants like flowers. The prescription label shows the waiting period for each plant before planting.

Area of use

The weed killer is suitable for your lawn, orchard, driveways or walkways. Its ability to destroy unwanted grass makes ideal for these areas. When using it on a vegetable or fruit garden, you should take the necessary precaution as indicated in the user manual.

Visible results

You should expect to see results after 2 to 4 days after application. If you spray the weeds selectively, your lawn grass will remain intact. Avoid over spraying a single spot to prevent any probable plant damage.

Why We Like It

  • Effective weed killer
  • Large coverage per liter
  • Friendly to plants
  • Relatively cheap.

Editor Rating:

 

2. Preen Garden Weed Preventer

premium choice ratingPreen Garden Weed Preventer

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As the name suggests, this is a preventive chemical. The herbicide fights weeds before they emerge. You can use Preen immediately after tilling your land to inhibit the growth of weeds after preparation. However, it does not kill already existing weeds. You will be relieved from the hustle of weeding after now and then.

The weed killer facilitates the growth of stable and healthy plants without disturbance from parasitic weeds. Therefore, you are assured of optimal utilization of available nutrients and space. The product is not affected by the rains. It will work even during the rainy season and retain its ability to keep weeds off.

Coverage

The 31.3 lb bag is enough for 5000 sq. ft. It is a granular formula that guarantees you weed inhibition three months after application. Make sure you have weeded your lawn neatly before use for the best results.

Selectivity

The granules do not destroy any existing plants. Therefore, your desired crops or flowers will not be affected. Rain has no impact on the action of the herbicide.

Residual effects

The elements of this weed killer remain active in the soil for three months. However, they are not detrimental to plant growth. They are not absorbed into the plants or your edible fruits and vegetables.

Area of use

The chemical is ideal for use in vegetable, flower, and tree gardens. However, it is not effective for lawns it acts on clean land. It does well when applied to weeds under trees and shrubs to block any weed sprouting. The herbicide is not effective for already existing weeds.

Visible results

The weed preventer inhibits the growth of weeds for three months after application. It is advisable to apply after this period to keep weeds at bay. You should do it generous for optimum outcome.

Why We Like It

  • Guarantees weed prevention
  • Easy to apply
  • It is not affected by rain
  • Attractive package

Editor Rating:

 

3. Roundup Concentrate Plus

great value ratingRoundup Concentrate Plus

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The herbicide is an absolute weed destroyer. It is highly concentrated and comes in a small bottle of 16 ounces. Glyphosate is the primary chemical in the weed killer, and it inhibits a plant enzyme that is crucial for plant survival. It is tough on weeds, killing them to the roots. It does an excellent job of eradicating pesky perennial weeds. The effects are only felt by plants in contact with the chemical. It is absorbed by the stem and leaves.

For optimum results, it is advisable to apply during summer. However, if it rains an hour after application, you are guaranteed of positive results. The chemicals are absorbed abruptly into the plant transport system. The compound is targeted on weeds but not human beings or animals.

Coverage

The package is enough to make three gallons of solution. The herbicide is sprayed sparing because of the high-performance level. Therefore, you are assured of an extensive coverage with five gallons of solution.

Selectivity

The weed killer destroys any plant that comes into contact with it. Thus, it is recommended to apply on a calm day. You should rinse any untargeted plant that comes into contact with the solution to avoid destruction of crops or aesthetic plants.

Residual Effect

The target parts are the leaves and stem. There is a negligible amount of the solution that passes into the soil. The elements cannot be passed from the plant to the ground. There are no effects on the land.

Area of use

The herbicide is effective in hedges, pathways, fences, lawn replacement and preparation of plot. You should not spray existing edible fruit or vegetable gardens. You can spray before budding to avoid ingesting the chemicals. You should spray lawns when you are doing an overhaul to plant afresh.

Visible results

This is a fast action chemical that delivers results in less than a day. Within 1-2 weeks all the weeds in your land should be destroyed. The weed killer eradicates the uninvited guests, preventing emergence after a time.

Why We Like It

  • Fast action
  • Portable package
  • Highly effective
  • Rainproof for 30 minutes after spraying

Editor Rating:

 

4. Spectracide HG-96017

spectracide weed killer

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This is a fast non-selective herbicide that kills any plant that comes into contact with it. The weed killer is packaged in a container of 3.7 liters. The weeds absorb it through the leaves. It goes down to the deepest root. It is highly efficient for weeds that have an extensive taproot. It will choke the dandelions and poison ivy around your fence in record time. It does well on other weeds that grow under trees and shrubs.

Coverage

The solution is ready-to-use. Therefore, you will not add more water. It covers small pieces of land but not cost-effective for large-scale use. If you want to get rid of weeds within a few hours, this product is meant for you.

Selectivity

This is a non-selective weed killer that destroys any vegetation it contacts. It is recommended to spray during calm weather to avoid destruction of desirable plants. If you apply the solution on your crops, you should wash them with water immediately.

Area of use

The product is recommended for small yards like orchards, walkways, and driveways. It can also be used in your forested land to get rid of pesky weeds. If you have shrubs around your house, but you want to retain them for aesthetic value, you can use this herbicide.

Visible results

You are guaranteed of results a few hours after use. After some days, the chemical kills the weeds down to the roots. Weeks after spraying, you should expect a clean land without any evidence of weeds existence.

Why We Like It

  • Fast action
  • Eradicates stubborn weeds
  • Ready-to-use
  • Easy to use

Editor Rating:

 

5. Roundup 5725070 Extended Control

Roundup 5725070 Extended Control

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This is a double-action product that comes in a 1.33-gallon container. It does not only destroy existing weeds but also prevents sprouting for a maximum of 4 months. The manufacturer guarantees a 10-minute rainproof after spraying. Therefore, you are sure of results because the elements are absorbed into the plant system within minutes.

It is ready-to-use which means you don’t need a knapsack sprayer or water to apply. It destroys weeds to the root after absorption through the leaves. If you need any guarantee of a killer and preventer, Roundup 5725070 Extended Control is your perfect companion.

Coverage

The ready-to-use solution can be applied to a field of around 400 sq. ft. However, this is dependent on the prevalence of the weed in your plot. Some could cover a more significant piece of land. The size and type of weed will also affect the coverage of one package.

Selectivity

Use the product selectively on targeted plants. It can scorch your desired plants. It should be easy to use selectively because its pump is efficient and can be used to control the amount of solution coming out.

Residual effect

The target should be the leaves. The product does not have any soil action. It has an impact on the weeds only.

Area

The weed killer is excellent for lawn edges, walkways, driveways, walls, and decorative walls. You can also use it on patios and foundations.

Visible results

The product delivers within three hours. Within two days the weeds should start dying off. It entirely gets rid of the undesirable plants.

Why We Like It

  • Destroys in record time
  • Easy to use
  • Double-action
  • Eradicates weeds

Editor Rating:

 

6. Southern Ag 2, 4D Amine Weed Killer

Southern Ag 2,4-D Amine Control

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The Southern Ag 2, 4D Amine Weed Killer selective broadleaf weed control and grass killer. The product acts on broad-leaved weeds thus effective for grass lawns. It is packaged in a 1-quart container with its directions of use on the sticker label.
You should follow dilution prescription for optimal results and avoid effects on desirable plants. If you are a lawn lover, this product will fit your needs like cogwheels.

Coverage

The chemical is diluted to spray 1-4 pints per acre. The package will last for years to maintain the lawn in your yard. I-tablespoon diluted with a gallon of water is enough for killing the common weeds around your homestead.

Selectivity

TheAmine Weed Killer selective broadleaf weed control targets broad-leaved weeds. Therefore, you should not worry about your grass. You should avoid drift towards desirable plants which have wide eaves.

Residual effects

You should apply low pressure and target the unwanted guests. The formula has no soil action. Therefore, you can plant any crop days after spraying. The Amine Weed Killer selective broadleaf weed control solution is easily absorbed by the weeds.

Area of use

This Amine Weed Killer selective broadleaf weed control is the best weed killer for lawns, golf courses, cemetery, pasture, and rangelands. It kills the weeds effectively while leaving your grass intact. It's one of the most selective herbicide if you are sensitive to the disruption of your crops or grass.

Visible results

The weeds start withering within hours. You should expect to see your weeds dead within three after application.

Why We Like It

  • Selective
  • Small package
  • Fast results

Editor Rating:

 

7. Roundup 5200210

Roundup 5200210

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The Roundup 5200210 is a ruthless weed destroyer. The product is effective for both broad-leaved and grass weeds. It comes in a ready-to-use package. It comes with its spray which is easy to use.
Its ability to kill weeds to the roots is a boost for anyone seeking to eradicate them entirely. It is packaged in a 1.33 container which makes it easily portable. You are given a 10-minute rainproof guarantee after spraying your garden.

Coverage

The package is enough for 400 sq. ft. field. It does not need any dilution or formulation. Connect the sprayer and weed off any unwanted plants in your plot.

Selectivity

It works well without contact with desirable plants. Avoid drift while spraying. Therefore, it is advisable to spray when it is calm to avoid blowing of the solution to your crops. It kills both grass and other weeds to the roots.

Residual effects

The target is the foliage. Hence, the herbicide is not expected to interfere with any soil formation or composition activities. You should spray directly on the leaves to avoid any drips on the soil.

Area of use

This product is recommended for garden preparation and lawn replacement. It should not be used on existing grass lawns. The herbicide also works well your on mulched gardens, driveways, walkways and fences.

Visible results

The Roundup 5200210 is enhanced with FastTechnology. The results are noticeable 3 hours after spraying. Within a week, you should have all the weeds in your field dead.

Why We Like It

  • Uses FastTechnology for instant results
  • Kills stubborn weeds to the roots
  • Ready-to-use product
  • No formulation is required

Editor Rating:

 

8. PBI/Gordon 652400 Speed Zone

PBI/Gordon 652400 Speed Zone

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If you are searching for fast results with little disturbance on your lawn grass, this product suits your need. It comes in a small package but concentrated. This fits your needs if you want to spray tracts of land. It performs optimally during when it is cool. The weed killer destroys dandelion, clover, and creeping Charlie.

It is recommended to make a consistent application to get rid of stubborn lawn weeds that grow after a while. Even if you have tried several other concoctions, this product should do away with most weeds.

Coverage

The solution is highly concentrated. The small package is effective on over 15,000 sq. ft. piece of land. Thus, the herbicide is good for large landowners. If you have a sizeable yard, the Speed Zone will serve your purpose.

Selectivity

The weed killer is highly selective. It leaves your lawn grass intact but gives it a new stunning appearance that you cannot help but admire. The product appreciates the toil of putting up an attractive lawn.

Residual effects

The solution does not get into contact with soil because the targets are leaves of weeds. The fact that it is used in grass lawns inhibits any contact with the ground. You can also plant crops a few days after spraying without any adverse effects.

Area of use

This product is customized to suit the needs of a lawn. You could also use it to weed out annual and biennial weeds in your garden.

Visible results

The effects of this herbicide are seen within hours. After a day or two, the weeds start dying. The consistent application should eradicate detestable plants.

Why We Like It

  • Highly selective
  • Fast action
  • Small package for large-scale use

Editor Rating:

 

9. Ortho Weed-B-Gon Plus

Ortho Weed-B-Gon Plus

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This ortho groundclear vegetation killer concentrate is a fast-action herbicide that destroys weed without affecting your lawn grass. It comes in a small package of 1.18l but highly concentrated for large-scale use. The ruthless destroyer kills weeds to the roots with a single application. It destroys crabgrass weed and broadleaf quickly. The manufacturer includes a list of the target weeds which makes it easy to know whether it will work for your lawn.

Because it does not inhibit germination, you should use this ortho groundclear vegetation killer concentrate regularly to keep weeds at bay. Over time, the weeds become extinct, and your grass thrives. You are assured of 1-hour rainproof after application.

Coverage

The diluted solution covers an area of 6,400 sq. ft. Thus, it can work for small and medium lawn owners. If you have a severe infestation of weeds, you could need to apply the herbicide more generously.

Selectivity

When used appropriately, the ortho groundclear vegetation killer concentrate weed killer should leave your grass intact. It kills soft grass and common vegetation like crabgrass weed. It should also eliminate dandelion and clovers.

Residual effects

The ortho groundclear vegetation killer concentrate solution should not come into contact with the soil. Therefore, you can plant your crop or more grass, days after spraying.

Area of use

This ortho groundclear vegetation killer concentrate is one of the best products for your lawn. You will have your grass intact, and weeds will die within days. It can also be used on both small and large farms to remove common weeds. It is recommended that you spray when weeds are in their active stage of growth.

Visible results

The weeds should start withering a few hours after spraying. You should expect complete results after some few days.

Why We Like It

  • Selective
  • Portable package
  • An option of ready-to-use
  • Kills many weeds

Editor Rating:

 

10. Scotts Halts Crabgrass Weed Control & Grassy Weed Preventer

Scotts Halts Crabgrass & Grassy Weed Preventer

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Weeds are detestable, but with Scotts Halts Crabgrass weed & Grassy Weed Preventer you are guaranteed of a neat lawn. The product keeps away any undesirable plant from growing on your well-tendered garden or yard. You should always try to prevent because once established; weeds can be stubborn.

The product comes in a 10.2 pounds package. It can also be applied in any season because its performance is not affected by weather. However, it is advisable to use during the dry season for natural inhibition of growth.

Coverage

The size of land that a package can serve is dependent on the spreader used. The Scott Wizz Spreader is the lightest and can apply the granules in a 2,500 sq. ft. lawn. The most efficient is the Scott Pro EdgeGuard Broadcast Spreader which can distribute the herbicide in an 18,000 sq. ft. piece of land.

Selectivity

This product only inhibits the growth of new plants but does not affect the growth of existing ones such as weeds and crabgrass. You should weed clean your lawn or garden before applying the compound. It is well known for blocking germination of weeds and crabgrass.

Residual effects

The residues of the harmless elements lose their strength after haft a year. Therefore, you can plant your crops 180 days after application. They should grow normally.

Area of use

The inhibitor is a perfect suit for your grass lawn. The herbicide smoothers weed even before germination of weeds and crabgrass. However, it should not be used in bentgrass and dichondra lawns because it stunts the grass.

Visible results

The formula remains active for six months. Thus, you should expect a clean lawn for this period. Ensure you have weeded your field before application.

Why We Like It

  • It is pro-weed
  • Easy to use
  • Inhibits weed growth throughout the year
  • Not affected by weather

Editor Rating:

 

FAQs

Q. What are the active ingredients in the best weed and crabgrass killer for lawns?
A. Manufacturers indicate the content of their products. The information is found on the package or in the user manual. If the composition is not shown, you can contact the manufacturer for clarification.
Q. How do I get rid of weeds without interrupting the growth of my lawn grass?
A. You should use selective herbicides. These are products which only inhibit the growth of weeds without interfering with desirable crop growth.
Q. how long should I wait to top-dress after turf herbicide application?
A. Most herbicides do not affect fertilizer application. You can do it on the same day unless the manufacturer indicates otherwise.

Expert’s tip

Most herbicides should be applied when it is calm. The weather condition prevents detrimental effects on desirable crops.

Did you know?

There are over 8,000 species of weeds in the world.

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