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5 Best Moss Killers for Lawns

Wet & Forget Roof and Siding Cleaner
Siding Cleaner for Easy
Item Weight 3.56 pounds
Scotts MossEx 3-in-1 Ready-Spray
Style: Ready To Spray
Item Weight 2.44 pounds
Scotts Turf Builder with Moss Control
Style: Moss Control
Item Weight 17.89 pounds
BioAdvanced Moss and Algae Killer
Item Weight 2.42 pounds
13.25 x 12 x 14.88 inches
Lilly Miller Moss Out Lawn Granules
Products quick results
Brand: Lilly Miller
Item Weight 20 pounds

Choose the Best Moss Killers for Lawn

Customer’s Choice: the Best Rated Moss Killers for Lawns

39 users answered this survey. Please help us improve this review!

23.08% of users selected Wet & Forget Roof and Siding Cleaner, 17.95% selected Scotts MossEx 3-in-1 Ready-Spray, 10.26% selected Scotts Turf Builder with Moss Control, 10.26% selected BioAdvanced Moss and Algae Killer and 38.46% selected Lilly Miller Moss Out Lawn Granules. Every month we analyze your answers and change our rating.

Moss can be a real nuisance when it starts growing on your lawn. Not only does it make your yard look unsightly, but it can also be difficult to get rid of. If you’re looking for the best moss killers for lawns, then you’ve come to the right place. In this buyer’s guide, we will discuss the top 5 products available on the market and how they work. We will also provide you with a few tips on how to get rid of moss in your yard once and for all!

There are a few things you need to consider before purchasing a moss killer for your lawn. First, what type of grass do you have? Some products work better on certain types of grass than others. Second, what time of year do you plan to use the product? Some products work best in spring or summer, while others can be used year-round. Finally, how large is your lawn? You’ll need to purchase a larger quantity if you have a large lawn.

Now that you know what to look for, let’s take a look at the top five products to eliminate moss from your yard.

Table of Contents

Wet & Forget Liquid Mildew Removal, 48 oz

Fiskars 4-Claw WeederWhether you’re cleaning up after a party or just trying to get rid of that pesky mildew, Wet & Forget Moss Killer is the product for you! This unscented, liquid formula can be applied in minutes and is safe for most surfaces.

It even has a reversible tip for those hard-to-reach areas. Simply spray on the affected area and let it dry. No scrubbing or rinsing is required! However, some users noted that the valve is hard to move while spraying. Moreover, it is hazardous and leaves soap slime.

  • Can be applied in minutes
  • Safe
  • Reversible tip

  • Valve is hard to move
  • Hazardous
  • Leaves soap slime

Scotts 3-in-1 Formula Moss Killer Ready-Spray, 32 oz

Fiskars 4-Claw WeederAre you looking to remove moss, algae, and lichens rapidly and simply? No need to look farther than Scotts Moss Killer Spray! With its powerful formula, this spray will kill moss within hours without staining your concrete.

Furthermore, it’s a SAFE and NON-TOXIC solution that you may use year-round to keep your lawn looking fantastic all summer. Just be sure not to use it on St. Augustine grass or centipede turf – for those types of grass, try another spray instead. One more thing worth noting is the inert components included in the product´s structure.

  • Inert components
  • Not as fast-acting as other brands.
  • Not intended for St. Augustine and centipede lawns.


    Scotts Easy-To-Use Moss Killer and Turf Builder, 5,000 sq. ft.

    Fiskars 4-Claw WeederDo you want to get rid of moss while also thickening your grass? Scotts Turf Builder with Moss Control has everything you need to get the job done right. This effective product will not only improve your lawn but prevent future moss growth.

    It’s also perfect for those who live in cooler climates – simply apply it and watch the moss disappear! Scotts Moss Control may be ideal for you – but keep in mind it’s not available for sale in Florida, Maryland, New Hampshire, or New Jersey. Also, some noted that this product could leave your lawn looking burnt and slimy, and in some cases may even cause it to turn white. But if you’re willing to take the risk, it could be worth it.

    • Kills moss effectively
    • Prevents future moss growth
    • Perfect for cooler climates

    • Not available in Florida, Maryland, New Hampshire, or New Jersey
    • May leave your lawn burnt and slimy
    • May cause your lawn to turn white.

    BioAdvanced Moss and Algae Killer Ready-To-Spray, 32 oz

    Fiskars 4-Claw WeederDo you want to get rid of moss and algae at the same time? BioAdvanced Ready-To-Spray is the best solution for removing moss, algae, and other greenery from your driveway.

    This product not only destroys moss and algae within hours, but it also cleans your lawn as you spray it on. That means less work for you and a better-looking lawn in no time.
    The best part of this product is that it doesn’t use bleach, so you don’t have to worry about staining your lawn. It’s also easy to apply, covering up to 500 square feet with just one bottle. The sprayer, on the other hand, has been reported to be less efficient than anticipated by some users. After application, you may need to brush and scrape the moss away.

    • Kills moss and algae within hours
    • Cleans your lawn as you apply it
    • Does not use bleach

    • Sprayer is not very effective
    • You may need to brush and scrub to completely remove the moss.

    Lilly Miller Moss Killer Granules for Lawn, 20lb

    Fiskars 4-Claw WeederLooking for a simple and quick method to get rid of that annoying moss on your grass? Lilly Miller Moss Granules are the ideal choice for any lawn. Just spread it over your lawn and watch as the moss turns black and dies off, without harming your grass.

    This product is great for up to 5000 square feet, so it’s perfect for larger lawns. Just be sure to wear eye protection when using, as this product is notorious for kicking up a lot of dust. And beware – it can be pretty bad at dissolving, so make sure to give it plenty of time before watering.

    • Kills moss quickly and easily
    • Does not harm your grass
    • Great for larger lawns

    • Kicks up a lot of dust
    • Takes a while to dissolve.
    • No warnings on the package.

    Moss Killer Buyer’s Guide

    What is Moss?

    Moss is a plant that commonly grows in shady, moist areas. It can be found growing on trees, lawns, roofs, and even concrete sidewalks. Moss does not have traditional roots, instead, it has small, thread-like structures that attach it to surfaces.

    While moss may look pretty growing on a tree trunk or stone wall, it’s not so welcome when it starts to take over your lawn.

    A mossy lawn is usually the result of compacted soil, poor drainage, and lack of sunlight.
    If left unchecked, moss will eventually kill the grass by out-competing it for nutrients and water.

    So how do you get rid of moss on your lawn? The best way is to address the underlying problem that is causing it to grow in the first place. If your soil is compacted, aerate it to improve drainage. Make sure your lawn is getting enough sunlight by trimming back any trees or shrubs that are shading it. And finally, make sure you’re watering and fertilizing your grass regularly.

    What is Moss?

    If you have a moss problem that you need to take care of immediately, there are a number of products on the market that will kill moss quickly and effectively. [1]

    Cultural control

    These measures should be your first line of defense. Mosses thrive in shady, moist areas with compacted soils. If you have a moss problem, take a look at the conditions where it is growing. Can you improve drainage? Can you thin out trees or shrubs to increase sunlight?

    If cultural control measures are not possible or practical, you can turn to chemicals to help get rid of moss on your lawn. Always read and follow all label directions carefully.

    Weedkiller control

    It is the growth of moss that prevents it from photosynthesizing. Moss is a plant, and like all plants, it needs sunlight to produce food. Without food, the moss will eventually die.

    Weedkiller isn’t selective, so it will kill any plant it comes into contact with – including your lawn grass. So, be careful when applying weed killer around your mossy patches. It’s best to use a brush or sprayer to apply the weedkiller directly onto the moss, avoiding any contact with your grass.

    There are two main types of weed killers: contact and systemic. Contact weed killers kill the plants they come into direct contact with. Systemic weed killers are absorbed by the leaves of the plant and travel down to the roots, killing the entire plant.

    Systemic weed killers are more effective at killing moss because they kill the whole plant, including the roots. But they can take up to two weeks to work. So, if you need a quick fix, a contact weedkiller is your best bet.

    Moss doesn’t just grow on lawns – it can also grow on patios, driveways, and in between paving stones. If you have moss in these areas, you’ll need to use a different type of product to kill it. Look for products that are specifically designed for use on hard surfaces like patios and drives. These products usually come in handy trigger spray bottles, making them easy to apply.

    Most products will give you up to four weeks of moss control. But, depending on the type of product you use, you may need to reapply it after rain or heavy watering. So, be sure to read the label carefully before purchasing a moss killer. [2]

    Disposing of dead moss

    It can be difficult to remove completely, and it can also be a hassle to dispose of. The best way to eliminate moss from your lawn is to use a product that will kill it quickly and effectively. Here are five of the best products to dispose dead moss on the market:

    Roundup Moss & Algae Killer: This product is designed specifically for killing moss and algae. It is safe for use around children and pets, and it will not harm your grass or plants.

    Scotts Moss Control: This fertilizer not only helps your lawn to look its best but also contains ingredients that help control moss growth.

    Preen Garden Weed Preventer: This product prevents weed seeds from germinating, and it also helps to control moss growth.

    Bayer Moss Killer: This product is made to destroy moss. It’s okay to use on grass and plants, and it won’t hurt your lawn or crops.

    When purchasing a moss killer, make sure to read the label carefully to ensure that it is compatible with your yard. Furthermore, pay attention to the guidelines on the bottle to avoid harming your grass or injuring yourself or your family members. [3]

    What Are the Various Types of Moss Killers, and How Do They Work?

    Granular Moss Killers

    Granular moss killers are the most common type of moss killer products. They work by releasing a chemical called iron sulfate onto the moss, which then kills it. Iron sulfate is a natural element that is found in many plant and animal tissues. It is also a major component of soil. The chemical works by causing the moss to dry out and die.

    Granular Moss Killers

    It can take several days or weeks for the granules to kill the moss. Once the moss is dead, it will turn brown and crumble away. You will need to rake up the dead moss and dispose of it properly. Do not compost it! [4]

    Powdered Moss Killers

    Powdered moss killers work in a similar way to granular ones. They contain chemicals that kill moss on contact. You simply sprinkle the powder over the affected area and wait for it to work.

    Powdered moss killers are generally considered to be more effective than granular products, but they can be more difficult to apply evenly. They also pose a greater risk of harming your lawn if you accidentally overspray them.

    If you decide to use a powdered moss killer, make sure to follow the instructions on the packaging carefully.
    Otherwise, you could end up damaging your lawn instead of killing the moss. [5]

    Liquid Moss Killers

    Liquid moss killers are another popular choice for gardeners who want to get rid of moss in their yards. These products typically come in a bottle with a sprayer attached, making them easy to apply. You simply need to wet the mossy areas with the solution and then wait for the moss to die.

    One of the advantages of liquid moss killers is that they can be used in both small and large areas. If you have just a few patches of moss, you can spot-treat them without having to douse your entire lawn. But if your Moss situation is more serious, liquid Moss Killers can cover a lot of ground quickly.

    Another advantage of liquid moss killers is that they frequently include nutrients that are good for your grass. This means that, as well as getting rid of moss, you may also end up giving your lawn a bit of a boost.

    One of the disadvantages of liquid moss killers is that they can be harmful to other plants and animals if they are not used carefully. Make sure you read the instructions on the label before using any product and take care to avoid spraying any areas that you don’t want to damage.

    You should also be aware that some liquid moss killers contain chemicals that may be harmful to the environment. If you are concerned about this, look for products that are certified as being eco-friendly.

    How Do I Apply Moss Killer?

    Moss killers come in different forms, so it’s important to read the instructions on the label before applying. Some products are best applied with a pump sprayer, while others need to be diluted in water first.

    Most products should be applied to dry lawns and mosses, as wet conditions can reduce the effectiveness. You’ll also want to avoid applying during times of extreme heat or cold, as this can also impact results.

    Once you’ve chosen a product and read the instructions carefully, you can begin treating your lawn for moss. Be sure to apply evenly over the entire affected area, and pay close attention to any shady or damp areas where moss is most likely to grow. With regular treatment, you should see a noticeable difference in the health of your lawn within a few weeks. [6]

    Factors to Consider When Purchasing Moss Killers

    Сoverage area of your lawn

    Moss thrives in shade, moist areas of your lawn. If you have a small lawn, or if only certain areas are affected by moss, you may not need as large of a coverage area from your moss killer. On the other hand, if your entire lawn is overrun by moss, you´ll want to make sure the product you select can cover a wide area. [7]

    The type of moss in your lawn

    There are over 12,000 species of moss, but the most common type found in lawns is Eurhynchium praelongum, or feathery thread moss.

    If you´re not sure what type of moss is on your lawn, take a sample to your local nursery or cooperative extension office for identification.
    Once you know what kind of moss you’re dealing with, you can select a product that targets that specific variety.

    The time of year

    Moss grows best in cool, wet conditions, so it’s often most active in the spring and fall. That said, if your lawn has shady areas where water collects, you may find moss growing year-round.

    The time of year

    The best time to treat moss is in the spring before it has a chance to produce spores and spread. But if you have a severe problem, you may need to treat it more than once. Fall is also a good time to kill moss since the cooler temperatures make it easier for the herbicide to penetrate the moss´s protective outer layer.


    When it comes to moss killers, you want a product that is going to be effective in killing the moss. There are a lot of products on the market that claim to kill moss, but not all of them live up to their claims. So, make sure you read reviews before purchasing a moss killer to ensure that it will actually do what it says it will do.


    Another important factor to consider when choosing a moss killer is whether or not the product is eco-friendly. This is important because you don’t want to use a product that is harmful to the environment.


    The first ingredient we’re going to look for is copper sulfate. This is essential because it’s the moss killer. It works by interfering with photosynthesis, and that’s how it starves the moss.

    You’ll also want to make sure that your moss killer has some sort of surfactant in it. A surfactant is a wetting agent, and it allows the product to stick to the leaves of the moss so that the copper sulfate can do its job more effectively.

    The third thing we’re looking for is an adhesive. This helps the product stay on the leaves of the moss, and it also makes sure that rain doesn’t wash it away too quickly. [8]


    It is another quality to consider when purchasing a moss killer. Some products can only be used on specific types of surfaces, like concrete or asphalt. Others can be used on a variety of surfaces, including wood decks and patios. If you have multiple areas in your yard that are affected by moss, it may be beneficial to purchase a versatile product that can be used in different areas.

    Ease Of Use

    When it comes to applying a moss killer, you don’t want something that is going to be difficult. After all, who wants to spend hours trying to treat their lawn? The best moss killers are easy to use, so you can get the job done quickly and efficiently.


    It is number one when it comes to finding the best moss killer for your lawn. You don’t want a product that is going to harm your family, pets, or the environment. The second consideration is how well the product works. No one wants to spend their hard-earned money on a product that doesn’t do the job it promises.


    It is another important consideration when purchasing a moss killer. Most products cost between $15 and $30. However, the price will also depend on the size of the container. The larger the container, the more expensive it will be.

    Improving Grass Health

    Buy moss killer that is rich in nitrogen to improve the health of your grass. This will also help speed up the decomposition process of the moss.

    After you have killed the moss, take measures to prevent it from returning. This may include improving drainage in your yard, increasing sunlight exposure, and fertilizing your lawn.

    One of the initial impressions your home makes on guests is your lawn. Keep it looking its best by following these tips for preventing and eliminating moss growth. With a little effort, you can have a healthy, green lawn that is the envy of your neighborhood. [9]

    Residual Benefit

    This means that the product will continue to work after it has been applied. This is important because you want to make sure that the moss is killed and does not come back.

    No Staining or Damage to Lawns

    Choose a moss killer that won’t cause any staining or damage to your lawn. This is important because you don’t want to end up with an uneven lawn or brown patches. A lot of products out there will promise not to damage your lawn, but it’s always best to check the reviews before purchasing.

    Weed killers can also be used to kill moss. However, you need to be careful when selecting a weed killer as some of them can also damage your grass. If you choose a weed killer, make sure it is specifically designed for killing moss and that it won’t harm your grass.

    What Causes Lawn Moss to Appear?

    Moss in lawns is most commonly seen in shaded areas, or areas that don’t get a lot of direct sunlight. Moss can also be caused by compacted soil, which doesn’t allow water or air to circulate properly.

    Over-watering your lawn can also lead to moss growth, as can using too much fertilizer.
    Once moss takes hold of your lawn, it’s difficult to get rid of it. But with the right products and some elbow grease, you can eliminate moss and have a healthy, green lawn again. [10]

    Ways to Prevent Moss Growth

    To prevent moss growth, you need to create an unfavorable environment for it. This can be done in a number of ways, including:

    • Improving drainage in your yard
    • Increasing the amount of sunlight that hits your lawn
    • Applying a thick layer of mulch to your garden beds
    • Watering your lawn regularly and deeply
    • Mowing your lawn frequently
    • Applying a herbicide to your lawn (this should be done as a last resort)

    Once you have applied a moss killer to your lawn, make sure to rake up and remove all the dead moss. You can then replant any bare patches on your lawn with grass seed. Ways to Prevent Moss GrowthWith a little bit of care and maintenance, you should be able to prevent moss from growing in your yard in the future. [11]

    Our Suggested Moss Extermination Plan

    Year 1:


    – Use a Moss Killer: There are several products on the market that can help you with this problem.


    – Rake and Remove: This is the best time to remove moss from your lawn. Use a garden rake to remove as much moss as possible.


    – Fertilize and Water: Your lawn will need extra care during the summer months. Be sure to fertilize and water regularly.


    – Aerate and Overseed: Aerating your lawn will help to improve drainage and prevent future problems with moss. Oversee your lawn in the fall to help thicken it up and prevent future problems.

    Following Years:

    Repeat the process in Year one. Moss is a persistent problem, but with regular care and treatment, you can keep it under control. Be sure to follow the manufacturer’s directions when using any products on your lawn.

    Try using only a mechanical method of removal, like power raking or scarifying. If you still have some areas with moss, treat them with an iron sulfate solution.

    And that’s it! With our suggested plan, you should be able to get rid of all the moss on your lawn within three years. So what are you waiting for? Get started today!


    Why is it necessary to use a moss killer?

    Mosses are small, green plants that lack true roots. They often form dense mats in shady, moist areas of your lawn where grass won’t grow well. Moss doesn’t damage your lawn directly, but it can make it look unsightly.

    When should I use a moss killer?

    Mosses are simple, non-vascular plants that typically grow in moist or shady areas. Although mosses are often considered to be helpful in preventing soil erosion, they can become a problem in lawns and gardens when they crowd out grasses and other desirable plants.

    There are several times when you might want to use a moss killer:

    • When moss is preventing grass from growing
    • When moss is creating an unsightly appearance in your lawn or garden
    • When you want to prepare an area for planting by killing existing moss growth.

    Is it possible for grass to thrive after removing moss?

    The answer is yes, but it will take some time and effort. You’ll need to improve the drainage in your yard and make sure that the grass receives enough sunlight. Fertilizing the lawn will also help the grass crowd out the moss. Finally, you’ll need to be patient as it may take a few seasons for the lawn to fully recover.

    Can I use more than one of these products at a time?

    Yes, you can safely use multiple products to control moss on your lawn. To be safe, follow the directions on each product’s label. Overlapping applications of different products can sometimes cause plant damage, so it’s important to avoid doing this.

    Is it necessary to rake the dead moss?

    No, it is not necessary to rake the dead moss. You can simply leave it on your lawn and let the rain or snowfall break it down naturally. Additionally, you can mow over the moss with your lawnmower to help shred it into smaller pieces. Raking also runs the risk of damaging your lawn if done too aggressively. Therefore, we recommend avoiding this method altogether.

    If you have a small yard, you can use a garden hose attachment to spray down the mossy areas with water. Doing this will not only remove some of the surface moss but will also help to loosen its grip on your grass so that you can more easily pull it up by hand. Be sure to do this in conjunction with one of the other methods listed below for the best results.

    Is it safe to put grass seeds on top of moss?

    No, it is not safe to put grass seeds on top of the moss. The seed will likely not germinate and grow properly in the moss, and the moss can prevent water and sunlight from reaching the seed. Additionally, putting grass seed on top of moss can damage or kill the moss. If you want to get rid of moss on your lawn, it is best to use a Moss Killer. These products will help eliminate Moss from your yard so that you can have a healthy and green lawn.

    What is the best moss killer for grass?

    This is a common question that many homeowners ask when they see moss growing on their lawn. While there are several products on the market that claim to kill moss, not all of them are effective. In this buyer’s guide, we will recommend the top five products that will eliminate moss from your yard.

    Wet & Forget Moss Killer: This product is an excellent choice for killing moss on your lawn. It is made with a special formulation of ingredients that quickly kill moss without damaging your grass.

    Scotts 3-in-1 Formula Moss Killer Ready-Spray: This product is another great choice for killing moss on your lawn. It uses a unique formula to kill Moss without harming your grass or other plants in your yard.

    When choosing a product, be sure to read the label carefully to ensure that it is safe to use around children and pets. Also, be sure to follow the instructions on the label to ensure that you are using the product correctly.

    With these products, you will be able to quickly and easily kill moss on your lawn without damaging your grass.

    How can I get rid of moss from my grass for good?

    This is a question that we hear a lot, and fortunately, there are some great products on the market that can help you achieve this. In this buyer’s guide, we took a look at the top five best moss killers for lawns, so that you can make an informed decision about which one is right for you.

    What month during the year do you apply moss killer to your lawn?

    This is an important question to ask when you are looking for the best moss killer for your lawn because timing is everything. You want to make sure that you apply the moss killer during the right time of year so that it will be most effective.

    The best time to apply moss killer is usually in the early spring before the new growth begins. This way, you can kill the existing moss and prevent new moss from growing. Apply the moss killer according to the instructions on the label.

    There are a few different types of products that you can use to kill moss. Some of these products contain chemicals while others are made with natural ingredients. Read the labels carefully and choose a product that is safe for your lawn and for the environment.

    Is it possible to eliminate moss using conventional weed killers?

    The answer is yes, it is possible to eliminate moss using conventional weed killers. However, you need to be very careful when using these products, as they can also kill your grass.

    We recommend using a product that specifically targets moss, such as the ones we’ve listed below. These products are safe to use and will not damage your lawn.

    How long does a moss killer keep working after it has been applied?

    Moss killers typically keep working for several months. However, this will vary depending on the product you use and the instructions for application. Some moss killers need to be reapplied more frequently than others. If you’re not sure about how to use the moss killer, double-check the manufacturer’s instructions.

    What is the speed of action of a moss killer?

    This is an important consideration, as you don’t want to wait too long for the product to take effect. Some moss killers work quickly, within 24 hours, while others can take up to two weeks to show results.

    What causes moss to grow on my lawn?

    Moss is often found in shaded, damp areas of lawns that are low in nutrients. It can also be a sign of compacted soil or that the pH of your lawn is off balance. If you have any of these issues, fixing them should be your first step in getting rid of moss.

    There are a few different ways to kill moss on your lawn. You can use chemical sprays, homemade solutions, or physical removal.

    Chemical Sprays

    The most common way to get rid of moss is with a chemical spray. These products usually contain iron sulfate, which kills moss by turning it brown. Iron sulfate can also lower the pH of your soil, so make sure to test your soil before and after using these products.

    Homemade Solutions

    If you prefer to avoid chemicals, there are a few homemade solutions you can try. One is to mix one part vinegar with three parts water and spray it on the moss. Another is to mix together equal parts salt, baking soda, and dish soap and sprinkle it on the moss.

    Physical Removal

    The best way to prevent moss from coming back is to physically remove it. This can be done by raking, power washing, or even using a Moss & Mold Killer (M&MK). M&MKs are specially designed tools that remove moss without damaging your lawn.

    Whatever method you choose, make sure to follow the instructions carefully and take precautions to protect yourself and your lawn. With a little effort, you can get rid of moss for good!

    Useful Video: How to kill moss in a lawn | FAST and EASY


    After reading through our buyer’s guide, you should have a good idea of what the best moss killers for lawns are and which one will work best for your needs. No matter which product you choose, be sure to follow the manufacturer’s instructions carefully to avoid damaging your lawn. With a little bit of effort, you can get rid of that pesky moss and have a beautiful yard in no time! Thanks for reading!

    Do you have any tips for getting rid of moss? Share them with us in the comments below! And be sure to check out our other buyer’s guides for all your lawn care needs.

    Happy gardening!


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