The Complete Guide On Mulching Lawn Mowers

Find the best answer to what is a mulch lawn mower? How to work or what are the advantages and disadvantages of a mulching mower?

Don’t take stress, you need to stay here, just a few moments to get the overall idea. The mulch lawn mower, however, has come to provide cutting features to your garden. This is the simplest path to keep your soil fertile and protect the lawn from overheight. Even you can save your time using mulch mowing.

In this article, we are introducing the detail about mulch lawn mower & more related evidence on this issue.

What Is A Mulching Lawn Mower? (Explanation)

Mulching is the process of applying a layer of porous materials on the surface of gardens to improve the condition of the soil underneath. One of the most important reasons is to block excessive sunlight from reaching the soil. Thus it keeps the soil temperature cooler and retains soil moisture by preventing water evaporation.

Furthermore, it improves the fertility of the soil, reduces weed growth, and also increases the visual charm of your garden. The thickness of the layer depends on the size of your plants.

What Is A Lawnmower Mulcher Or Mulch Lawn Mower?

A mulch lawn mower is the grass cutter machine that has one or more attaching blades for cutting through the fixed height. Plus, grass cutting height depends on your choice as well as mowers design. Most of the mulch lawn mowers have a single major button or lever & lock on machine wheels.

The main difference between the regular mower and mulching mower is the power of blades. To use manual forces, blades perhaps power and wheels automatically connect to the blades, so starting the cutting machine.

If You’re In a Hurry, Look at Our Recommended Top 6 Mulching Mower Product list:

There are three types of mulching lawn mowers. Some prefer the gas-powered ones, some like corded, and some like cordless ones. All models have merits and demerits. So, We have chosen 2 products for each category.

  • Best Gas: PowerSmart PSM2322SR 200cc Gas Self Propelled Lawn Mower

Gas-powered models have self-propelling feature. This one has a powerful 200cc engine. This is expensive and perfect for medium or large lawns. Apart from mulching, it has other two options namely side-discharge and bagging.

  • Runner-Up (Gas): CRAFTSMAN M105 140cc 21-Inch Gas Powered Push Lawn Mower 

This one is also a self-propelled model and less powerful engine. This is perfect for small or mid-sized lawns.

  • Best Corded: Greenworks 20-Inch 3-in-1 12 Amp Electric Corded Lawn Mower

This is the best-corded lawn mower model for the price. It has almost the same price of the runner-up model but this one doesn’t have an extension cord in the package. This 20” mower is perfect for all types of mowing.

  • Runner-Up (Corded): Greenworks 18-Inch 12 Amp Corded Electric Lawn Mower

Not much to talk about this one. It is the less capable version of the top model. Its benefit is that the package includes a 150” extension cord.

  • Best Cordless: Greenworks 2501202 Pro 21-Inch Cordless Push Lawn Mower

This is a better model with 21” cutting deck. Less runtime than the runner-up and costs almost double. But large cutting deck takes less time to mow large lawns.

  • Runner-Up (Cordless): Sun Joe 24V-X2-17LM Mulching Lawn Mower w/Grass Catcher

Costs less as it is a 14” model. Comes with 2 4Ah battery and more runtime. It is good for medium or small lawns.

Different Types Of Mulch Lawn Mowers

Multiple mulch lawn mowers are available in the market. Each mower comes with a particular reason. That’s why we try to focus on some major lawnmowers.

Non-Powered Push Mower

This type of mower is so much smaller than others. Even it comes at an affordable price. The non-powered push mower is perfect for small gardens or residential lawns.

Electrical Mower

An electrical mower is known as piston engine-powered push-mowers. This classification of mower has come to utilize the bigger or larger lawn area. Even it is a little wider than the non-powered push mowers.

Riding Mower

Another great mulch lawn mower is the riding mowers, which are like a small tractor. They stand bigger than that the push mower as well as enough for the larger gardens & lawns.

Commercial Riding Mower

Alternatively, commercial riding lawn mowers are known as zero-turn mowers. They are also able to carry like small lawn tractors. The most crucial thing is its high-speed benefit, so users can complete their work as soon as possible.

Largest Multi-gang Mowers

The latest and largest mulch lawn mower is multi-gang or multi-blade mowers. It’s like a mini-tractor. It is nearly impossible to ignore multi-gang for the largest areas of lawn or grass.

Especially when you need to cut the metropolitan parks or golf course grass, they are suited. Sometimes these mowers can be used for tricky terrain. If you feel the pain to choose the perfect height mower, you can see the mower height for mulching leaves topic.

What Are The Main Parts Of The Mulch Mower?

Depending on the mower variety, they have some essential parts. Here are some major parts of the average mulching lawnmowers.


Most of the powerful mowers contain three to seven helical blades that have connected to the rotating cylinder. This one is the most important part of a mower.

Blade works cutting grass to generate airflow continuously like a fan.


Wheels support taking action of the mower. Maximum mulch lawn mowers have four wheels where two are front and two are rear wheels. But, reel mowers contain two wheels.


Some of the mowers are handled manually. Use to push handle, you need to give pressure for connecting with the wheel, frame, and blade.


Another essential thing is the power source of a mower. Gasoline or electric power systems are available for mulching.

How Do Mulching Mowers Work?

The lawnmower that mulches coming to cut on grass for keeping the limited height of lawns, which users like. They work for producing the grass’s healthy lifestyle. If you want to add compost to the garden, you can do it easily by using mulching mowers.

That’s why most of the downtown and suburban areas people like to utilize them for providing an amount of compost directly. So, you are free from hard jobs.

Working Process

To work properly, maximum mulching mowers have plug-in electric machines, some are battery-powered for cutting grass. The inner combustion motor is the best power source of them.

Some of the smaller mowers have no electrical machine depending on the human strength moving over the surface of the soil. In this case, an operator needs to walk-behind the mulching mower for direction.

On the other hand, the larger mowers offer multiple ways to work as proper as you want. Their self rules are walk-behind, ride-on, or more. Another fantastic mower is a robotic lawn mulching mower, making it regulate either entirely. Some of the lawn-mowing bots are designed to monitor it by using the remote control.

Blades Activities

The blade is used to work for cutting leaves without any harmful effects. This may be a smart way to cut your lawn at the right height.

Most of the mowers use two different styles of blades like a single blade and multiple blades. Where a single blade mower is known as the rotary mower that tightens only one axis of cutting grass.

Alternatively, multiple blades mowers are well known in the users, also called reel mowers or cylinder mowers. It includes the horizontal metal piece to force in the blades for cutting sharply.


To maintain mulching mowers, you need to follow the lawn maintenance system that helps find the perfect outcomes. When you require the ⅔ system, you can’t cultivate your lawn up to ⅓ longer that is a suitable height for the grass. So, you keep your attention while growing up, just cut the ⅓ away.

What Are The Benefits Of Mulch Lawn Mowers?

The mulch lawn mower is the most practical procedure to fertilize the lawn properly. Every garden owner can mulch not only their regular season garden but their vegetable plants because it is good for all soil as well as plants.

Now, we present here the two major facts of why mulch lawn mower is used or the benefits of it.

Keep Healthy Lawns

Using mulching lawnmower, you can keep your garden or lawn healthy because it helps include further nutrients to your surface. Without potassium, nitrogen, or phosphorus, plants fall in the break. For this reason, nutrients are fundamental to keep up your grass healthy. Others healthy benefits are:

1. Mulch aids in protecting the soil from sun heat in the summer seasons. So, your garden surface stands cool and seeds are also safe for growing in the garden.

2. It encourages your soil to procure the more fertilizer and other essential things to live the lawn healthy lifestyle.

Note: Don’t wait too long to mulch your lawn.

Diminish Useless Things

When you utilize the mulch lawn mower, it supports reducing the number of unnecessary things. In summer, it is able to diminish 75% evaporation and solar heating. Plus, you can reduce the more water & the abundance of weeds that are useless for your seeds. For this reason, your garden soil stands in the perfect for growing larger all types of plants.

Disadvantages Of The Mulch Lawn Mower

Though mulch has advantages and disadvantages stories, benefits are the most important. Sometimes its effects create problems. Especially if you can mulch in the heavy rainfall or cooler area, your crops perhaps break down.

Other weaknesses of the mulching are:

1. Mulch reduces the solar heating of the surface, we know. Perhaps winter is the best time to mulch the lawn in some cases. Plus, when spring comes, the soil temperature is not high. So, heat-reducing is needless to your seeds. Because some seeds need higher weather. In this case, mulching is quite useless.

2. For the small shot, mulch provides the larger cover that may be harmful to the carrots, peas, or garlic.

In this circumstance, users should know more information about what vegetables are suitable for mulching. Then apply the mulch lawn mower to get good results.

How Can I Make My Mulching Mower Better?

The machine assists you to keep your lawn healthier and greener by eliminating unnecessary mulches and sometimes pests. However, you can follow some measures to make the best out of your mower.

  • Keep The Blade Sharper: The most important thing is keeping the blades sharp. You will easily trim the grass with the honed edges if you know how to take care of the blades. Replace them with a new one when it’s necessary.
  • Don’t Attempt To Mow So Fast: if you mow so fast, some random grass will remain uncut. Firstly, adjust the cutting height and then move the mower slowly on the cutting path.
  • Cut the Grass When It’s Dry: if you try to mow wet grass, the clamped ones can get left on the lawn.  So let them dry.
  • Keep The Deck Clean: The design of the deck is essential for the mower.  If the underside gets filled up with debris and grass, it will hamper its working ability. So please keep it clean.

The 6 Best Mulching Lawn Mowers

1. Top Pick (Gas-powered): PowerSmart PSM2322SR 200cc Gas Self Propelled

PowerSmart PSM2322SR 200cc Gas Self Propelled

The PowerSmart PSM2322SR is a head-turner for its vivid striped finish. This one is the combination of traditional and modern technology as the self-propelled feature is available too.  Its robust configuration yet lightweight design makes it possible to reach the top.

This model is powered by 200 cc offers excellent speed and high performance. Its easy pull starting has made the work so handy.

If you want a triple threat gas-powered mower, this one should be on your list. When you don’t want to mulch, you can discharge the clippings or store them in the rear-bag. This model saves your time from frequent emptying of the grass container as this sturdy machine comes with 14.6 gallons of the rear-mounted receptacle.

The rear wheels are large than the front wheels, which permits smooth steering. You can trim ranging from 1.2 inches to 3.5 inches with the 5 level height adjustments.

Who Should Buy It?: Do you own a large yard? Fret not! You get to enjoy 22” cutting deck, which is appropriate for medium to the large backyard. The machine is a bundle pack of a sturdy and lightweight deck, a gas-powered 200cc engine, and many more. 
👍 Pros:
  • 14.6 Gallons clippings container for less frequent emptying.
  • 11.5 inch rear wheels for smooth steering
  • Easy pull starting.
  • High-end 200cc engine.
  • 3-in-1 design.
👎 Cons:
  • Expensive.

2. Runner-up (Gas-powered): CRAFTSMAN M105 140cc 21-Inch Gas Powered

CRAFTSMAN M105 140cc 21-Inch Gas Powered Push Mower

If you are looking for a traditional mulching petrol lawn mower that is budget-friendly yet delivers all the quality features, this one is for you.

Firstly, you just have to pull a button to set off this gas-powered push machine. The 65 pounds 21” cutting deck is enough for cutting grass from 1.25” to 3.75”. The model is bestowed with 140cc Briggs and Stratton engine with recoil and auto-choke features.

This one may not be fit for professional tasks but can handle your small lawn efficiently. You can carry it in your car for its foldable handles and lightweight aspects. And when you are not in the mood for mulching leaves with lawn mower, you can discharge the clippings in a particular place or store them in the rear-bag. The 8” rear wheels and 7” front wheels are there for smooth gliding.

Who Should Buy It?: When the homeowners desire for a traditional model for their backyard, the Craftsman m105 is recommended. The 3-in-1 design and 21” deck will suffice their necessity. The housekeepers with small and mid-sized lawns can have it without any doubt.
👍 Pros:
  • Foldable
  • 140cc engine comes with auto-choke for a quick start.
  • 21” durable deck.
  • 3-in-1 multi-purpose design.
👎 Cons:
  • Assembly required

3. Top Pick (Corded): Greenworks 20-Inch 3-in-1 12 Amp Electric Corded

Greenworks 20-Inch 3-in-1 12 Amp Electric Corded

From the small size to medium size yards, the Greenworks 20-inch corded 3 in 1 mower would be a viable choice for both clipping and covering with mulch. This one kisses the top spot in the corded category for having all of the nifty aspects at such a reasonable price. You will not need to worry about the battery limitations or the hassle of fuel.

Right from the onset, you would be amazed by noticing its lightweight and portable features. You can easily start this 56Ibs machine with just a push of a button. This 3 in 1 machine can take care of all your mowing needs like mulching, bagging, side discharge. The 7 adjustable blade heights assure that you can trim all grass types ranging from 1 ½  to 3 ¾ inches. The durable 20” deck with 12-amp motor works surprisingly good without doing much ado.

Moreover, the noise it makes is quite less than comparing other gas engines.

Who Should Buy It?: For its intuitive handling, any professional one who moves from lawn to lawn can proudly have it. Its foldable handles permit you to stow it in your car. If you don’t want to splurge and yet again want to have a versatile machine, this model is the best mulching lawn mower for the money. This one is easy to use, easy to store, and built to last
👍 Pros:
  • Easy to stow
  • Affordable and useful in various grass lengths.
  • A feasible choice for small to medium yards.
  • Eco-friendly machine.
  • 4- year warranty safeguards the investment.
👎 Cons:
  • This machine comes with no extension cord.

4. Runner-up (Corded): Greenworks 18-Inch 12 Amp Corded Electric

Greenworks 18-Inch 12 Amp Corded Electric

Greenworks always want to serve its customer within their capacity and the 18” 12 amp electric mulching lawn mower is no exception.

This modest machine features a 2-in-1 rear discharge and mulching system. You don’t need to wrestle with the cord as this one comes with a 150ft extension cord according to your used amp rate.

For its 46 Ibs lightweight design, you can easily manoeuvre it through the lawn. Its 18” cutting deck covers a home size lawn quickly. Its 7” front and rear wheels do the work for cutting long, rough grasses in bumpy terrain.

This one is bestowed with 7-level height adjustments to trim from 1 ¾ to 3 ¾ inches. Storing this machine is a cinch for its foldable handles.

Who Should Buy It?: If you are looking for a convenient, eco-friendly machine for small yards with an affordable price, this is the one for you. The homeowners with small yards should own in without any doubt.
👍 Pros:
  • Easy push-button start.
  • 150 inches extension cord for long paths.
  • Lightweight design
  • 7 height adjustments for cutting several lengths.
  • Foldable handles
👎 Cons:
  • There is no bagging system.

5. Top Pick (Cordless): Greenworks 2501202 Pro 21-Inch Cordless

Greenworks 2501202 Pro 21-Inch Cordless

When we are having a conversation about lawnmowers, the name Greenworks will definitely come again and again on your screen. If you are into cordless technology and looking for superb configuration, the Greenworks pro 21 is hard to beat.

An 80v 4.0 Ah rechargeable lithium battery powers the brushless motor and ensures quality gas-powered performance. You can see whether the charge is drowning or not by on-board battery indicator.

This cordless mulching lawn mower is ideal for yards up to 1 acre, as it can run for an hour per charge. This one is the holy trinity of mulching, side discharge, and bagging. The innovative smart cut technology maximizes torque on more hardened weedy patches. The rear wheels are larger than front wheels, which offer more traction and steering capacity.

One of the reasons for its securing the top position as it is quite versatile. You get the gas mower performance with 16 times less noise and no fuss of any fuel and fume. Then, this 79.5 Ibs machine occupies 70% less space for its vertical storage feature. You can also switch 80v battery to any Greenworks 80v tools. I guess you have got the answer for its being pricy!

If you want a triple threat crusader for your backyard, look at the self-propelled mulching lawn mower version of this model.

You can have two batteries instead of one so that you can use them alternatively.

Who Should Buy It?: The 21-inch cutting deck minimizes the time of shredding and swearing. The 160 cc engine and single-handed 7 level height adjustments offer you a professional touch. If you want your relatively large lawn in a good nick, this 21-inch 80v Push model will do a decent job. So, this model is entirely appropriate for professional mulcher.
👍 Pros:
  • Brushless technology secures the endurance of the motor.
  • Delivers powerful performance with durability.
  • Great for up to 1 acre.
  • Easy to store for vertical storage
  • 80v rechargeable battery delivers one-hour run-time.
👎 Cons:
  • It is expensive.

6. Runner-up (Cordless): Sun Joe 24V-X2-17LM Mulching Lawn Mower

Sun Joe 24V-X2-17LM Mulching Lawn Mower

See Price On Amazon

Sun Joe 24V-X2-17LM is an all-terrain workhorse that allows for versatility with its 3-in-1 feature. It comes with 2 x 24 v 4. Ah ion battery placed conveniently at the top of the deck. The alluring part is its 670-watt brushless motor, which enables 65 minutes of run-time per charge.

When you would rather collect the clippings, it comes with an 11-gallon grass collector. To make your life easier- Sun Joe is offering this lightweight 43 pounds machine for easy maneuverability. It comes with a detachable grass catcher. It permits an even cutting experience at six levels, though you have individually adjusted the wheels.

Don’t we all love the convenience of just one touch starter? Then, Sun Joe has got your back with its 2-year warranty. The dual-port charger always brings joy to my ears. You can get both the batteries charged simultaneously within 2 hours.

Who Should Buy It?: This one is for you where you get 65 minutes run-time, and the dual-port charger is the cherry on the top. Also it is a perfect product for the homeowners with small back yards.
👍 Pros:
  • Its large capacity discharge bag allows less frequent emptying.
  • Lightweight and easy maneuverability.
  • 6-level height adjustments for trimming.
  • Dual-port charger.
👎 Cons:
  • Sometimes one of the batteries doesn’t work properly.

Key Features Of The Perfect Mulching Mower

There are a ton of aspects to remember while buying your precious mower. In comparison, some factors are more beneficial than the rest. These include:


The best mulching mowers usually come with the best quality blades. It should have the ability to cut fast, and clean the grass in a zippy. The cut on the turf must be even at all times. Nowadays, long weeds are eliminated, mulched, and bagged at the same time.

Weather also plays a vital role in this purpose. Low-quality mulching lawn mower blades can fall victim to it by not being able to clean the turf. In such circumstances, even the weakest drizzle can cause trouble for it. A sharp pair of razors could help you to tackle such situations efficiently and effectively.

Multiple Functions

Mulching is for those who tend to their grassland every day. They tend to keep it as tidy as possible. However, even the best of us can fall short. Thus, it would be best if you adapt to bagging. Here is where the multiple functioning of your precious works.

Bagging can retrieve for the lost time in care and maintain and make it as fabulous as new. On the other hand, only sticking to one or two cutting options may not be reliable every time you use it. For such cases, you need to adopt multiple ways to serve your beautiful yard.

Turf Size

Now, the size of the place is a significant factor when it comes to buying your favorite brand. If you have a small backyard around your house, then a pushing model will be just fine. Whereas, if you have a large yard, you will need a tractor style replica. Both of them have their perks and ploys.

For convenience, tractor type can cover large spaces within minutes while the pushing one takes time. However, the pushing prototype is more budget-friendly and depend mostly on fuel. Yet, it has some advantages, like evenly treating both rough and smooth patches of your land.

A tractor type usually has a hard time going through a rough uphill spot and cuts unevenly. You will need to go back and check out the bumpy area and smoothen it out. While pushing alternative lessens that part of the stress factor.

Wheel Size

We prefer that you consider one with both the front and rear wheels. If you are planning on mowing a rougher surface then, taller rear wheels will be the best.


There are three types of cutting options available for you. These include mulching, discharge, or bag clipping. Now, some models may come in only one option for trimming. Others may consist of two or maybe all three.

It depends entirely on how frequently you will be cutting your meadow a week or two. This feature will mark down the suitable cutting options you require.

Storage Space

Maximum electric push prototypes can be stored vertically to save space. On the other hand, if you are looking for a gas model, then make sure that it has the special engine seal to prevent leakage. The following feature will help you to store it vertically with ease.

Motor Power

The motor power affects the performance of a mulcher enormously. If you have gone shopping for this purpose, then you might find choices like 11amps or 13amps with a battery power of 40 volts or 56 volts. Usually, a higher number is this case indicates more strength.


Your budget is a crucial factor while buying your favourite mower. But, let us remind you, it should be worth the price.  To get the best of performance, comfort, and long-lasting tenure, you must be prepared to trade-off price.

Frequently Asked Questions (FAQs)

When is the Best Time to Mulch your Lawn?

Generally, it depends on your plant variety as well as the weather in your area. Most of the seeds are suitable for mulching in the winter or late spring. Remember that the cooler or snow is not better to mulch. Even some of the grains can’t tolerate high temperatures or heavy rains. So, you must know everything before mulching your lawn.

What is a Mulch Plug on a Lawnmower?

To mulch the lawn or grass clippings, the mulch plug is essential. This plug is designed by using too hard plastic, and you can’t get any maintenance advantages from this gadget. Even it is highly recommended to use in unlocking the mowing deck of cards closing the combustion.

What is a Mulching Mower?

Typically, a mulching mower is one type of machine to use for garden or grass chippings. Here chipping indicates to cut the grass properly and they fall to the ground. This mower supports increasing the soil nutrients day-to-day and keeping the balance of soil and corn. For this reason, your plants grow up as enough as you want.

How Long will Mulch Last?

Different mulch has stayed in a considerable lifespan that depends on their material as well as watering recommendation. The most traditional mulch is bark mulch and wood chips mulch where bark mulch can last in seven to ten years. Alternatively, wood chips perhaps last in five to seven years. So, all organic mulch retains a five to six years lifespan.

What Color of Mulch is best?

Red and brown mulch is better than other colors. Using red mulch, you can quickly decompose or if you can apply brown mulch that is suitable for any garden or lawn.

Is Wood Mulch Good for Grass?

The straightforward answer is ‘yes’. If you want to use wood mulch for grass, it is the better choice to save your environment. Because you can utilize the garbage wood properly. You can easily use and remove this economical wood mulching. It is not heavyweights so anyone can hold up it and apply wood mulch directly into the surface.

When to Mulch Vegetable Garden?

When you mulch vegetables, it is sure of the types of the vegetable garden. While soil is turning on warming up, your seeds need to add the usual water. In this case, use organic mulching. Broccoli, cauliflower, or more vegetables can mulch in the winter season. If you need to use plastic, avoid the black plastic, you can use cover plastic to keep your soil cool.

Can I put a mulching blade on my mower?

Yes, you can. Almost all mower allows you to put a mulching blade. For this, the blade needs to fit the deck tightly and correctly.

Should you leave grass clippings on the lawn?

Yes, you should leave the clippings on the lawn as they eventually turn into fertilizer by decomposing.

Should I remove old mulch before adding new mulch?

No, most of the time it’s not necessary. It will just cost some extra work and expenses.

Is mulching better than side discharge?

It’s hard to compare these two. Some prefer mulching, while others prefer side discharge. But side discharge is a better option when you are dealing with tall or wet grasses.

When should you not mulch?

You should not do very often. During the rainy season, it can be harmful to the lawn and plants. So you should use the machine when it’s dry.

Do mulching blades cut better?

These blades cut better than regular blades. They feature more curves and an increased cutting edge. It allows them to trim the grass accurately and bring them into the deck.

Final Thoughts

The priorities and the needs of every yard and caretaker are dynamic. We suggest you dig into the problems you have faced in the past with mowers.

Guess what?

The answers to all of your inquiries are literally in your backyard. Some lawn concierges prefer gas-powered, others prefer cordless or corded. Select who makes the best mulching lawn mower according to you and let us know your preferences.

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