Best weed killer 2018 – TOP rated grass & weed killer reviews for your lawn and garden

We all want our garden to be beautiful and green, free of weeds or pests. It is therefore essential to choose the best weed killer to match what we need. Though it is hard and almost impossible to be free of weed completely, there are some measures and products that you apply to control the growth of weed in your environment.

With all the products available in the market, it might be confusing which one best suit your specific need. Let us tackle some of them in order for you to identify which weed killer is best for you.

There are a lot of weed killer products on the market. Deciding on which will be suit your needs can be a tricky task. The complication is as a result of the fact that different products are made for different stages of the development of the weed.

To make the selection process easy for you, we have compiled a list of the 10 best weed killers from which you can choose. The products are reviewed, the pros and cons of each of them included with a guide on things to consider when looking for the most suitable weed killer for you. This will help you make a perfect choice.

Top 10 Weed killers of 2018 – Comparison and Features

NameActive IngredientsVisible ResultsCoverage Area in Sq Ft. 
Compare-N-Save Concentrate Grass and Weed KillerGlyphosate2 to 4 Days25,000 Check Price
Ortho GroundClear Vegetation Killer ConcentrateImazapyr.
Hours400 Check Price
RM43 43-Percent Glyphosate Plus Weed Preventer for Total Vegetation ControlGlyphosate, isopropylamine salt.
Imazapyr, isopropylamine salt.
N/A4,324 Check Price
Roundup Max Control 365 Concentrate
12 Hours1,600 Check Price
PBI/Gordon Speed Zone Lawn Weed Killer2,4-D 2-ethylhexyl ester,
Mecoprop-p Acid,
Dicamba Acid,
Hours14,000 to 18000 Check Price
Brushtox Brush Killer with TriclopyrTriclopyrN/A1 Acre Check Price
Bayer Advanced 704140 All-in-One Lawn Weed and Crabgrass Killer2,4-D,dimethylamine salt.
Dimethylamine salt.
Lawn can be mowed 1 to 2 days after spraying5,000 Check Price
Avenger Organics Weed Killer, Biodegradabled-limonene (citrus oil)Less than 2 HoursN/A Check Price
EcoSMART 33113 Organic Weed and Grass KillerOrganicHoursSmall Area(Yard) Check Price
Scotts Turf Builder Bonus S Southern Weed and FeedAtrazineN/A5,000 Check Price

Compare-N-Save – Best weed killer for flower beds

Compare-N-Save Concentrate Grass and Weed Killer, 41-Percent Glyphosate

The first product on our list is the Compare-N-Save Concentrate Grass and Weed Killer. This outstanding product is a mix of high quality and easy management. The beautiful thing about it is that despite its high quality, safety and concentration which makes it suitable for treating a large area, it is inexpensive and affordable.

This unique weed killer is fortified with 41-percent Glyphosate, which makes it effective in killing most weeds. It penetrates deep and kills the weed from the root to inhibit its growth. Additionally, glyphosate herbicide works to kill weed without leaving any bad signature in the area, which makes it safe for treating your gardens. For maximum efficiency, itis best to apply it on a warm sunny day, a temperature of about 60°F. Also, it is not suitable for spot spraying because it kills everything it touches.

With a dimension of 11.75 x 7.13 x 3.88 inches, the Compare-N-Save Concentrate Grass and Weed Killer has a fluid volume of 1 gallon and each pack has 21 gallons of the solution that treats as much as 25,000 square feet area. It weighs 9.65 pounds.

Where To UseWhat Type Of Weeds It Kill Or Control
  • Use to clear weeds on pathways, walkways and driveways.
  • Prevent your fences by spraying weed killer
  • Around the area of flower beds, trees and shrubs to control weeds
  • Apply around the fruit trees and vegetable gardens by follow the directions that mention in label to use safely.

It kills most type of weeds and grasses such as Annual Bluegrass, Ryegrass, Bahia Grass, Beggarweed, Bermuda Grass, Dandelion, Bulbous Buttercup, Bur Clover, Common Chickweed, Dog Fennel, False Dandelion and Field Bindweed.
It will kill weeds like Florida Pusley, Henbit, Horseweed, Knapweed, Knotweed, Kudzu, Lambsquarters, Mallow, Mouse-Ear Chickweed, Orchardgrass, Pennywort, Poison Hemlock, Poison Ivy, Poison Oak, Poison Sumac.
And also kills late germinating weed Prostrate Spurge, Puncture Vine, Quackgrass, Torpedograss, Sandspur, Smartweed, Sow Thistle, Tall Fescue, Trumpet Creeper, Zoysia Grass, Ragweed and Virginia Creeper

  • Permanently kills weed,
  • It is made of 41 percent glyphosate and safe on humans, and
  • It kills weeds permanently.
  • Low concentration
  • Doesn’t kill all weeds.

Ortho Ground Clear Vegetation Killer Concentrate – Best vegetation killer

Ortho GroundClear Vegetation Killer Concentrate

Next on our list of best weed killer is the Ortho GroundClear Vegetation Killer. Are you worried about the bad look of your home due to weeds growing around? This unique product helps you kill the weeds easily and improve the look of your home.

This quality weed killer is an inexpensive and affordable remedy. It saves you from unnecessary expenses. It is very easy to use as the instructions are clearly written on the packages. It’s perfect for both large and small areas. When properly mixed with water as instructed, the Ortho GroundClear produces visible results in hours and keeps your home, fence rows, driveways, patios, walkways and other areas clear of weed for as long as a year.

The 1-gallon bottle comes with a sprinkler cap which makes it perfect for cracks and crevices. It has a dimension of 5 x 9 x 13 inches and weighs 9 pounds.

Where To UseWhat Type Of Weeds It Kill Or Control

Control or kill your unwanted vegetation in the patios and driveways as well as walkways including fence rows and gravel pathways too.

It kill weeds such as Black mustard, redstem filaree, downy brome, rattail fescue, bahiagrass, crabgrass, annual tramp weed, red sorrel, cutleaf primrose, tall fescue and orchardgrass

  • Kills weeds, unwanted vegetation, and prevents their growth for close to a year,
  • Produces visible results in hours,
  • Comes with a sprinkler cap which makes it easy to apply,
  • It is inexpensive,
  • Comes with detailed instructions, and
  • Kills, weeds, grasses, and shrubs.
  • Low concentration

RM43 43-Percent Glyphosate – Best Weed Preventer for Total Vegetation Control

RM43 43-Percent Glyphosate Plus Weed Preventer for Total Vegetation Control

As indicated in the name, the RM43 weed killer and preventer is a high-quality product supplemented with 43 percent glyphosate. This unique works well in areas such as lawns, driveways, sidewalks, barns, gravel paths, fence-rows and more. It kills bushes and vines from the root.

RM43 comes with detailed instructions on how to mix and get it ready for usage. Hence, you don’t have to worry about the concentration formula. It is best to apply it to areas where you wish to prevent the growth of weeds species for about a year. The product comes with the added benefit of spot control, it kills most types of weeds and vines without destroying the useful plants.

The RM43 weed preventer is an affordable solution to weed problems. The container has a dimension of 2 x 5.1 x 8 inches and occupies a fluid volume of 0.25 gallon, with a weight of 2 pounds. It treats as much as 17,296 square feet space.

Where To UseWhat Type Of Weeds It Kill Or Control
  • Apply on the fence rows
  • Areas around barns and farm buildings
  • Roadsides, Driveways as well as Brick walls and Gravel paths.
  • Apply over the non-crop areas and lot of vacant areas
  • In the farm premises and yards too.

Grass/Nutsedge weeds, Broadleaf weeds, Tree, Brush and vine weed species

  • Perfect for both spot and bare ground treatment,
  • Supplemented with 43%glyphosate,
  • It comes with instruction which makes it easy to mix, and
  • It keeps the area clear of weeds for about a year
  • Sometimes, it destroys useful plants too

Roundup Max Control 365 Concentrate – best weed killer for lawns and Garden

Roundup Max Control 365 Concentrate, 32-Ounce Weed Killer Plus Weed Preventer

Tending to weeds is hard with the wrong devices. Rather than pulling weeds physically, let the Roundup Max Control 365 Concentrate do the trick for you easily and diligently. Unlike some weed killers, this product has a wide range of application.

It is compelling, easy to use, effective and economical to treat large areas. Instructions are provided on the label and once you add water to the amount of concentrate specified, you are ready to go. It eats deep and kills weeds to the root, also preventing the growth of weed for as long as 12 months.

The Roundup Max Control 365 Concentrate has a dimension of 2.4 x 4.8 x 11.2 inches, a volume of 32 fluid ounce, covers up to 1,600 square feet and a weight of 2 pounds.

Where To UseWhat Type Of Weeds It Kill Or Control

It kills the weed to root so you can use on driveways, patios, sidewalks as well as gravel field and fence lines

It kills Quick growing weed like Air Potato Vine also Alfalfa, Annual Bluegrass, Annual Ryegrass, Bahia Grass, Beggar weed, Bermuda Grass, Common Chickweed, Dandelion, Dwarf Dandelion, Goutweed, Henbit, Indian Chickweed, Japanese Clover, Lambsquarters, Lespedeza, Monkey Grass.
Common lawn weed like Mouse-Ear Chickweed it kills including Narrow leaf Plantain, Orchard grass, Pennywort, Potato Vine, Quack grass, Ragweed, Red Henbit, Wild Garlic, Sedge, Spurge,  Zoysia Grass, Tall Fescue and Wheat grass,

  • Creates a barrier in soil thereby preventing weeds growth for up to 12 months,
  • Kills weeds to the root,
  • It has a wide range of application such as driveways, patios, sidewalks and gravel areas,
  • Rainproof in 30 minutes, and
  • It provides visible results in 12 hours.
  • Weeds keep growing back after sometime.

PBI/Gordon 652400 Speed Zone – Best lawn weed killer

PBI Gordon 652400 Speed Zone Lawn Weed Killer

When looking to purchase high quality and inexpensive weed and unwanted grass controls, this particular product is a great choice for you. The PBI/Gordon 652400 Speed Zone Lawn is an extraordinary Weed Killer.

This unique weed killer is great for bermuda grass and it’s easy to apply once you’ve properly mixed it. It is especially effective at killing lawn weeds.

The dimension is 1 x 1 x 1 inches and it has a fluid volume of 20 ounce which covers from 14,000 to 18,000 square feet. It has a weight of 1 pound.

Where To UseWhat Type Of Weeds It Kill Or Control

Treat your lawn as well as helps to control broadleaf weeds effectively which type of weed and grass cause trouble to you.

It kills most types of weeds and grasses such as Broadleaf weeds, Kentucky bluegrass, perennial ryegrass, Fescues, Bermudagrass, Zoysiagrass, clover, creepy charlie, Ground Ivy and Dandelions

  • Visible results in hours,
  • Covers a wide area making it perfect for large property owners,
  • Fast and efficient weed control, and
  • It keeps the useful plants safe.
  • Low concentration

Brushtox Brush Killer with Triclopyr – Best stump killer

Brushtox Brush Killer with Triclopyr

Unlike some weed killers that pose ecological contamination dangers, the Brushtox Brush Killer with Triclopyr is a great choice for you. It is flexible and has a wide area of application.

Broad-leafed weeds are annoying because they are big, visible and ugly. They lower the aesthetic of any spot they grow on e.g., lawns. The Brushtox Brush weed killer is effective in control the growth of woody plants & broadleaf weeds. It also inhibits the resprouting of newly cut stumps.

With a dimension of 9 x 4.5 x 2.5 inches, a weight of 2.25 pounds, and avolume of 32 fluid ounce, it covers a large area up to 1 acre.

Where To UseWhat Type Of Weeds It Kill Or Control
  • Treat over Non crop areas
  • Apply over industrial sites
  • Use it on non-irrigation ditch banks and forest
  • It works on grass areas and ornamental turf

Best in stump killer as well as Control woody plants also resprouting of freshly cut stumps and Broadleaf weeds.

  • Treats up to 1 Acre,
  • For control of woody plants and broadleaf weeds, and
  • To control resprouting of newly cut stumps
  • It kills everygrass it touches.

Bayer Advanced 704140 – Best crabgrass killer

Bayer Advanced 704140 All-in-One Lawn Weed and Crabgrass Killer Concentrate

Another high-quality weed killer on our list of top rated weed killers is the Bayer Advanced 704140 which is an All-in-One Lawn Weed and Crabgrass Killer Concentrate.  It kills weeds in a lawn without any harm to the lawn.

This weed killer is effective for killing over 200 of the most common species of broadleaf weeds, e.g., dandelions, clover and even grassy weeds like crabgrass.

The Bayer Advanced 704140 All-in-One Lawn Weed and Crabgrass Killer Concentrate has a dimension of 4.7 x 2.8 x 10.3 inches, 32-ounce fluid volume and a weight of 2.4 pounds.

Where To UseWhat Type Of Weeds It Kill Or Control

Treat the weed without destroying your lawn and crabgrass.

Broad leaf weeds such as clovers, chickweed and Dandelion.Kills lawn weeds, Grassy weeds such as crabgrass and also 200 plus weeds

  • Effective in killing weeds,
  • Added benefit of killing insects, and
  • It is inexpensive and easy to use.
  • Slow in action

Avenger Organics – Best Organic weed killer spray

Avenger Organics Weed Killer, Biodegradable, Non-toxic Ready to Use

Next up in our top 10 weed killer list is another unique product by Cutting Edge Formulations, the Avenger Organics Weed Killer. It is an EPA registered and approved herbicide for organic gardening. It is non-toxic and can be used in areas near to people, pets, and wildlife. This Weed Killer is Biodegradable, Non-toxic and Ready to Use.

Biodegradable means this organic weed killer dissipates quickly. It is perfect for cool weather and cloudy conditions at a temperature as low as 40º F (about 4.5o C). When applied, it doesn’t stain concrete, bricks, or pavement. Another beautiful feature of this product is that it is made from oranges, lemons and other citrus fruits, which gives it a pleasant citrus aroma.

The unique weed killer is fast acting and produces visible results in less than 2 hours. It also has a spray which makes it easy to directly apply, and also gives it the flexibility of redirecting. The 24-ounce weed killer has a dimension of 3.5 x 2.5 x 12.5 inches and weighs about 1.5 pounds.

Where To UseWhat Type Of Weeds It Kill Or Control
  • Kill the weeds on concrete area and pavement well
  • Recommended areas like driveways, patios and sidewalks.
  • Treat the weeds around buildings
  • Kills the weeds around flowerbeds, greenhouse also in fence-rows.

Controls weeds such as grasses, broadleaves as well as Redroot Pigweed, Tumbling Pigweed, Annual Bluegrass, Sommon Purselane, Common Chickweed, Clover, Hairy Fleabane, Crabgrass.
It also kills Smooth Crabgrass, Dandelion, Whitestem Filaree, Bermuda Grass, Bindweed, Shepherds Purse, Lambsquarters, Little Mallow and Prickly Lettuce.

  • It is an EPA registered and approved product, meaning it has been reviewed according to some regulations making it safe and perfect to use for organic gardening,
  • It is non-toxic and can be used in areas near to people, pets, and wildlife,
  • Does not stain brick, concrete or pavement,
  • Produces quick and visible results in less than 2 hours, and
  • It has a pleasant citrus aroma.
  • Inactive

EcoSMART 33113 – Best Organic weed and grass killer

EcoSMART 33113 Organic Weed and Grass Killer

Another extraordinary organic weed and grass killer by EcoSMART feature our weed killer review list. As the name suggests, this product is 100 percent organic which means you can be confident that it is completely safe around children and pets.

Made from potent plant oils, such as clove oil, it is non-toxic and environmentally friendly product will not contaminate groundwater supplies, hurt mammals, birds or fish. It is effective and quick at killing types of weeds and grasses to keep your garden growing and dashing.

It is great for use on patios, walkways, driveways, around trees and shrubs, along fences and foundations, and in other areas of your yard. The 24-ounce bottle has a dimension of 11 x 5 x 3 inches and a weight of 2 pounds.

Where To UseWhat Type Of Weeds It Kill Or Control
  • Kill your lawn weeds in fences and yard
  • Treat around shrubs and trees using organic weed and grass killer.
  • Use on walkways, driveways and patios

It kills most types of weeds and grasses

  • 100% organic, non-toxic and environmentally friendly making it completely safe to use,
  • Rapid and effective means of killing weeds and grasses to give your garden a great look,
  • Provides visible results in hours.
  • It is made from potent plant oils making it odorless.
  • Not effective against all weeds.

Scotts Turf Builder Bonus S Southern Weed and Feed – best weed killer for st augustine grass

Scotts Turf Builder Kill Tough Southern Weeds

The last pick on the list of the best weed killer is the Scotts Turf Builder Bonus S Southern Weed and Feed. It is a professional grade weed killer that helps thicken your lawn grasses and crowd out weeds.

It is best to apply this product when the weeds are actively growing in order to knock them out successfully. In addition, regular feeding is essential. This will help nourish your lawn and strengthen them enough to withstand the stresses of weeds, heat, drought, and family activity. For maximum efficiency, use it on weeds and grasses such as Centipede, St. Augustine grass (including Floratam), Zoysia and Carpet grass lawns.

This weed killer is cheap, sustainable and treats up to 5000 square feet. It has a dimension of 17 x 4 x 13 inches and a weight of 18.4 pounds.

Where To UseWhat Type Of Weeds It Kill Or Control
  • Use to kill lawn weeds and dollar weed
  • It kills tough southern weeds

It kills Augustine grass (including Floratam), Centipede, Zoysia and Carpetgrass in lawns.

Best to kill Augustine grass.

  • Kills tough weeds like dandelions and clovers
  • Treats up to 5,000 square feet
  • It is easy to apply on lawns
  • It kills weed and feed lawn grasses simultaneously
  • Kills some useful grasses too

Things to Look For When Buying Weed Killer

For safe rapid eradication of weeds, weed killers are the best solutions for you to use. However, there are a lot of products out there in the market and of course, they’d all claim to be the real deal. Here is a guide on things to look out for to help you find the right weed killer.


Weeds devalue gardens and lawns. The effectiveness is an important criterion to consider when buying a good weed killer. There are two approaches to check this. The first is to check the chemical used to produce the weed killer. Are the constituents strong enough to kill weed? The second thing is to go through reviews of past buyers. This will help you decide how effective the weed killer you are buying is.


This is also very important. After all, your personal safety should be your number one priority. Make sure that the weed killer does not contain any substance that is detrimental to your well-being, as well as lawns and pets. Pay close attention to the description and check reviews to see what other buyers think of the product.


Weed killers are made in two different forms based on concentration, the concentrates and ready to use solutions. Concentrates are non-diluted forms of the product while ready-to-use are those that are premixed and can be applied directly.

Resistance to water

Most people go for cheap weed killers without considering its water resistance. The problem with that is that those types of weed killer that are not resistance to water washes with the rain, hence, low effectiveness. Additionally, they pollute conduits, which is bad. For best outcomes, purchase an item with high water resistance.


The quality of a week killer is mostly dependent on the brand. Check for the popularity of the manufacturing company. Highly rated manufacturers have more experience and are likely to produce a better product. Experience is the key.


Weeds compromise the health of lawns, which you don’t want. Our list of best weed killers is a great place to look when you need a weed killer. With the hints provided above, you should be able to easily select the top weed killer.

At this point, we would like to end our discussion on weed killer reviews. We hope it has been a great help for you. Before making a purchase, don’t forget to check out reviews so you won’t waste your time and money.

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