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If you have read one of my mulching mower reviews previously you would be aware of the advantages of mulching your grass, how they work, in what circumstances they should and should not be used, the different types of mulching mowers available on the market etc. However, one area I have not yet covered is – What are the best grass mulching mowers?

In this article, I will help you choose the best grass mulching mower suitable for you and your yard.

What Is The Process Of Grass Mulching And How Does It Work?

Grass mulching mowers have a specially designed blade that allows them to cut the grass clippings into very fine pieces, without getting stuck or blocked. These fine pieces of grass are then returned to the soil, where they decompose very quickly, this is called a “mulching” process that provides essential nutrients and moisture to the roots of your lawn. This is a completely organic process, not costing you any time or money, what’s more it results in healthier, stronger, thicker and greener lawn.

What Is The Best Type Of Grass Mulching Mower?

Now we understand the process of grass mulching, most of us will not be surprised that it is becoming more popular not only because of the outstanding results, but it saves time, money and is environmentally friendly. But choosing the right mulching mower can still be a little unnerving as there are so many different types of mulching mower available on the market. You can purchase a gas, electric or cordless mulching mower. Of course, if you want to sit back and not even mow the lawn you may want to invest in a robotic mower.

So which option is best? Well, it really depends on your circumstances and situation. For example, if your yard is small to medium sized, then a battery powered mower is great, however if your yard is large, then battery is likely to struggle and you should opt for a gas mulching mower as, in general, they are more powerful and have longer run-times.

Talking about electric mowers, you have the option of cordless or corded mowers. Again, some homeowners prefer the freedom of a cordless machine, where you do not have to worry about cutting the cord. Others prefer electric corded mowers as they do not have to worry about charging batteries and shorter run-times, ensuring they will be able to go out and get the job done when they want.

Let’s not forget about robotic mowers. There are many advantages of robotic mowers, but again they are designed to cut very small pieces of the grass that decompose and improve the quality of your soil and health of your grass.

In addition, some consider push reel mowers to also be mulching mowers as they are normally equipped with 5 or 6 blades that cut the grass more finely than your average rotary mower.

Some mowers are supplied with a mulching plug, with others you have to purchase it as an optional extra. Some mowers are dedicated to grass mulching only, others are multi-functional with up to 4 cutting options including mulching, cut & collect, side discharge and rear discharge. These mowers provide mowing flexibility that can be used in different situations and seasons based on the lawn requirements.

I have listed my top choice of the best mulching mowers below –

Best Gas Mulching Mowers

Bestseller No. 1

PowerSmart 21 in. 144cc 3-in-1 Gas Walk-Behind Push Lawn Mower with Bag (DB2321PR)

More Power: 144cc OHV 4-stroke engine with recoil starter and auto choke, easy to start, deliver strong power for professional quality cut.
Durable Cutting Deck: all-steel frame deck with specialized blade, long lasting, allow you to enjoy the clean, even grass cut for years.
3-in-1 Versatility: MULCHING for nutrients back with ultra fine clipping, SIDE-DISCHARGE for reducing clumps for quick mowing, BAGGING helps clean up your lawn while mowing.
Cutting Capacity: 21" cutting width, cutting height adjustable from 1.5" to 3.9" with 6 positions dual-lever setting, suits most of grasses, ideal for 1/4 acer yard lawn care.
Easy to Use: fully assembled in the box, just unfold the handle. Quickly fold and unfold design, save space for storage and easily get to use.
2023 improvement: steel push bar connection reinforced, quick folding designed.

SAVE $51.99Bestseller No. 2

Yard Force Gas Lawn Mower 22-inch, YF22-3N1SP with Briggs & Stratton 150cc Engine,...

Single Lever Cutting Height Adjustment: 7-position single-lever height adjustment from 1.25-inch to 3.75-inch
Cutting Capacity: 22-Inch cutting width provides a large cutting area with high durability
Powerful Engine: Briggs & Stratton 625Exi 150 cc 4-cycle Made-in-USA engine with Prime n Pull start delivers reliable power to quickly tackle your job
Mowing: 3-in-1 steel decking with mulching, side discharge and rear discharge capacity
Self-propelled: Rear-wheel drive, variable speed feature makes mowing effortless, especially on slope

Bestseller No. 3

SENIX Gas Lawn Mower, 21-Inch, 125 cc 4-Cycle Briggs & Stratton Engine, 2-in-1 Push...

Cutting Capacity: 21-Inch cutting width provides a large cutting area with high durability
Powerful Engine: Briggs & Stratton 125 cc 4-cycle E450 engine with Prime n Pull start delivers reliable power to quickly tackle your job
Mowing Capability: 2-In-1 durable steel deck with mulching and side discharge
Height Adjustment: 6-position dual-lever height adjustment from 1.25-inch to 3.75-inch
Maneuverability: Durable 8-Inch wheels for easily maneuver in tight spaces, ergonomic handle maximizes user comfort during use
Storage: Fold down handle for easy storage

Bestseller No. 4

BILT HARD 21 Inch Lawn Mower Gas Powered, 4-Cycle 170cc Engine, 3-in-1 Walk-Behind Push...

Powerful Engine - Featuring a robust 170cc 4-stroke OHV engine that delivers 6.5 ft.lb of torque, this gas powered lawn mower ensures efficient and reliable performance every time.
Efficient & Versatile Mowing - Our 21-inch lawn mower features 3-in-1 steel deck with mulching, side discharge and rear bagging and provides an extensive mowing path for efficiency. This versatile mower is designed to cater to all your lawn maintenance needs, ensuring a well-manicured garden every time.
Adjustable Cutting Height - Offering a single lever four-wheel synchronized height adjustment from 1.2" to 3.75", this lawn mower lets you customize the mowing height to perfectly match your lawn requirements.
Comfortable Mowing Experience - Equipped with 8" rear and 7" front double ball-bearing wheels for smooth and effortless movement, as well as a comfortable foam-wrapped angled grip that eliminates hand fatigue, making your lawn maintenance a breeze.
Warranty - We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. If there are any quality issues with the product, please contact us directly. Our support team is on standby for YOU.

SAVE $51.78Bestseller No. 5

YARDMAX 21 in. 170cc 2-in-1 Gas Walk Behind Push Lawn Mower with High Rear Wheels

Single-lever deck adjustment for quickly setting your mow height
MAXFlow Deck Technology – volute spiral deck design for better airflow and mulching
Heavy-duty, 16-gauge stamped steel deck
Durable, one-piece seamless steel deck reduces vibration
Seven cutting heights from 1.25″ to 3.75″
Double-ball-bearing wheels for easy, smooth mowing with less pushing effort

Last update on 2023-09-22 / Affiliate links / Images from Amazon Product Advertising API

Best Cordless Mulching Mowers

Bestseller No. 1

Litheli Cordless Lawn Mower 17 Inch, 2 x 20V 4.0Ah Battery Lawn Mowers with Brushless...

【2 Batteries】This push lawn mower is powered by 2*20V Li-ion batteries, for doubled performance. Get more work done, faster.
【Upgraded Brushless Motor】2*20V battery powered lawn mowers with brushless motor has 40% higher efficiency than traditional models, offering durable powering experience that is quiet, stable and energy-saving.
【Lightweight & Cordless】Weighing at only 30 lbs (bare mower), this mulching lawn mower with easy-start button is best for pushing around yard. No gas, no oil, no emissions with our cordless lawnmower.
【6 Working Heights】There are 6 adjustable heights from 0.98″ to 2.95″ for you to choose with Litheli battery powered lawn mower. Do work anytime you want.
【Durable 17“ Cutting Deck】17″ mulching lawn mowers cuts a wider path at each move. Bagging and mulching are both available with a mulch plug and a 11 gal rear bag.
【Customer Service】If you any concerns, feel free to contact us. We will answer you within 24 hours.

SAVE $50.00Bestseller No. 2

SKIL PWR CORE 40 Brushless 40V 20'' Self Propelled Mower Kit with 7-Position Cutting...

POWERFUL PERFORMANCE - The digital brushless motor provides efficient, high-performance power without the hassle of gas
VARIABLE SPEED - Easily adjust the propel speed based on the task at hand
PUSH-BUTTON START - Get started quickly and easily with a convenient push-button start
FOLDABLE HANDLE - Lawn mower’s telescoping handle folds easily for convenient vertical storage
SINGLE-LEVER DECK HEIGHT ADJUST - 7 settings to quickly adjust for your preferred grass height
2-IN-1 BAGGING OR MULCHING - Choose between bagging or mulching grass

SAVE $38.09Bestseller No. 3

BLACK+DECKER Lawn Mower, Corded, 13-Amp, 20-Inch (MM2000)

CORDED – Corded design offers unlimited runtime for even the biggest jobs.
POWERFUL ELECTRIC MOTOR – 13 Amp motor supplies ample power for cutting through thick grass and overgrowth.
TOOL-FREE HEIGHT ADJUSTMENT – A single lever adjusts the mower deck’s 7-setting cutting height between 1-1/2 in. to 4 in.
EDGEMAX DECK – Deck design allows precise cutting close to fences and landscape borders, reducing the need for trimming.
3IN1 VERSATILITY – Choose from 3 mowing modes: mulching, bagging, or discharging grass clippings from the side.
13 GAL. FABRIC GRASS BAG -- Fabric design makes it easy to determine if the bag is full.

Bestseller No. 4

Greenworks 12 Amp 20-Inch 3-in-1Electric Corded Lawn Mower, 25022

Powerful Cutting: The 12 amp motor and 20-inch steel deck with a 3600 RPM work together to cut through the toughest grass with ease
Versatile Cutting Options: The 3-in-1 system allows for mulching, rear bagging, and side discharge, giving you the flexibility to handle clippings in various ways
Easy to Use: The easy push button start and single lever 7 position height adjustment make using the mower a breeze, while the cam lock handle allows for easy folding and storage
Efficient and Durable: The durable steel 21-inch cutting deck gets the job done quickly and efficiently, while the AC corded power provides unlimited run-time with no gas, oil, or emissions
Extension Cord Requirement: It is important to use a 14 gauge 50’ or 12 gauge 100’ extension cord (not included) for optimal performance

Bestseller No. 5

Lawn Mowers Maxlander Electric Lawn Mower Cordless (2-in-1),13 Inch 20V Battery Powered...

13‘’ Lawn Mowers - The lawn mower features a 13‘’ steel deck that allows you to handle grass quickly and easily. Also comes with a 30L grass collection bag, perfect for gardens, yards and farms
Brushless Motor-This electric lawn mower features brushless motor with low noise and low vibration. It not only provides powerful power, but also avoids wear on the motor from carbon brushes, thus making the battery mower last longer and lower maintenance cost.
Longer Runtime- Our lawn mowers is equipped with 2 x 20V 4.0Ah batteries that can run for approximately 60 minutes. The batteries are common to other maxlander tools.
5-Position Height - The battery powered lawn mower has 5-position height adjustment from 0.98" to 2.95", with both mulching and rear bagging 2-in-1 capabilities to meet any of your mowing needs
Lightweight Design - This cordless lawn mower only 24 pounds, easy to use and move around, make your mowing job easier; And the handle can be folded for easy storage and carrying.
Warranty Service - Maxlander offers you a 1 year warranty. If you have any questions during use, please feel free to contact us. We will reply to you within 24 hours.

Last update on 2023-08-23 / Affiliate links / Images from Amazon Product Advertising API

Best Electric Mulching Mowers

SAVE $38.09Bestseller No. 1

BLACK+DECKER Lawn Mower, Corded, 13-Amp, 20-Inch (MM2000)

CORDED – Corded design offers unlimited runtime for even the biggest jobs.
POWERFUL ELECTRIC MOTOR – 13 Amp motor supplies ample power for cutting through thick grass and overgrowth.
TOOL-FREE HEIGHT ADJUSTMENT – A single lever adjusts the mower deck’s 7-setting cutting height between 1-1/2 in. to 4 in.
EDGEMAX DECK – Deck design allows precise cutting close to fences and landscape borders, reducing the need for trimming.
3IN1 VERSATILITY – Choose from 3 mowing modes: mulching, bagging, or discharging grass clippings from the side.
13 GAL. FABRIC GRASS BAG -- Fabric design makes it easy to determine if the bag is full.

Bestseller No. 2

Sun Joe MJ403E 17-Inch 13-Amp Electric Lawn Mower/Mulcher, 7-Position Adjustment,...

[POWERFUL]: 13-amp motor cuts a 17-inch wide path
[HEIGHT CONTROL]: Tailor cutting Height with 7-position Height control
[CONVERTIBLE]: Mulching + mowing function. Size of Yard - 1/4 - 1/2 Acre. No Load Speed (rpm)- 3500
[GRASS COLLECTOR]: Detachable grass collection bag for easy disposal
[LIGHTWEIGHT]: Weighs in at under 31 lbs

SAVE $30.51Bestseller No. 3

Greenworks 40V 16" Cordless Electric Lawn Mower, 4.0Ah Battery and Charger Included

CORDLESS LAWN MOWER – Get more done, faster, with Greenworks electric lawn mowers. This 40v push lawn mower provides the power you need with up to 45 minutes of runtime on a fully charged 4.0Ah battery. The battery completely charges in 120 minutes.Brushless motor : No
LIGHTWEIGHT, EASY TO USE – A lightweight 16” cutting deck allows for easy maneuvering through small to medium yards (up to ½ acre) more efficiently. Easy push button start and lighter weight make it a great choice for your lawn.
VERSATILE – Battery powered lawn mower has a single lever 5-position height adjustment with a cutting height range from 1-1/4" to 3-3/8" for the best cut in all environments. The 2-in-1 feature offers versatile use with mulching and rear bagging options.
MAINTENANCE FREE – This walk behind lawn mower is virtually maintenance free, with no gas, no oil and no emissions. It starts instantly and is quiet but delivers gas-like power for your toughest projects.
INCLUDES – Battery operated lawn mower comes with mower, grass collection bag, 40V 4.0Ah battery, charger and operators manual. It offers a 3 year tool and 3 year battery warranty.

Bestseller No. 4

CRAFTSMAN Electric Lawn Mower, 20-Inch, Corded, 13-Ah (CMEMW213)

13 Amp Motor with 20 inches Deck - Power through tall grass
3-in-1 Capacity - Rear Bagging, Mulching and Side Discharge
Winged Blade - Improved Cutting Performance
Easy Fold Handle - Allows for Vertical Storage

SAVE $10.99Bestseller No. 5

American Lawn Mower Company 50514 14" 11-Amp Corded Electric Lawn Mower, Black

Electric lawn mower with a powerful 11-Amp motor to cut all types of grasses; High efficiency, yet low-maintenance motor for gas-like cutting power.Motor : 120V, AC only, 60Hz, 11 Amps
Corded electric lawn mower with a large 14" cutting width and 5 changeable cutting height adjustments from 1" to 2.5"
2-in-1 rear discharge and mulching system that includes a hard-top 9-gal grass bag with grass level indicator for easy disposal
Corded lawn mower with adjustable handle height and position for easy and comfortable handling; Compact and slim frame with foldable handles for easy storage and transport
Lightweight and maneuverable; planet-friendly gas-free lawn mower

Last update on 2023-09-22 / Affiliate links / Images from Amazon Product Advertising API

Best Robotic Mowers

SAVE $333.26Bestseller No. 1

Worx Landroid L 20V 6.0Ah Robotic Lawn Mower 1/2 Acre / 21,780 Sq Ft. Power Share - WR155...

[FULLY AUTOMATED ROBOTIC LAWNMOWER] Designed for larger lawns, can cut up to a ½ acre .No load speed (/min) : 2400
[SMART APP] Control Landroid remotely via the Landroid app by connecting via Bluetooth and Wi-Fi
[PATENTED AIA (ARTIFICIAL INTELLIGENCE ALGORITHM)] Cutting technology ensures it can pass through narrow paths with ease
[DO IT ALL WITH THE SAME BATTERY] 20V 6.0Ah Power Share battery is compatible with all Worx 20V, 40V and 80V tools, outdoor power and lifestyle products
[BETTER CLEARANCE ON UNEVEN TERRAIN] Floating blade disc automatically lifts the blades giving Landroid more clearance to navigate uneven terrain without getting trapped or stuck
[HIGH-EFFICIENCY BRUSHLESS MOTOR] Runs 50% longer, is 25% more powerful, and offers 10% longer life compared to mowers with brushed motors

Bestseller No. 2

MAMMOTION LUBA AWD 3000, Perimeter Wire Free Robotic Lawn Mower for 0.75 Acre Lawn 65%...

QUICK SETUP WITH NO PERIMETER WIRES: No perimeter wire is needed to setup or repair anymore. With the App, you can set the virtual boundaries in cm-level accuracy positioning and map your lawn thanks to the advanced RTK-GNSS and Multi-Sensor Navigation System. LUBA leads the RTK signal range of covering a radius of 394ft (120m).
ALL-WHEEL DRIVE FOR 65% SLOPE (33°): Featuring four powerful in-hub motors and exclusive off-road tires and suspensions, LUBA AWD 3000 automatic robot lawn mower boasts outstanding traction and zero-turning agility on complex lawn. Unlike small-diameter wheel mowers, the LUBA AWD 3000 robot mower can effortlessly handle 65% slope (33°) and traverse the most demanding terrain without getting stuck.
IN-APP MULTI-ZONE MANAGEMENT: With the Mammotion App, you can easily set up no-go-zone and mowing tasks for multiple working areas, and create channels between. Set different schedules, cutting modes and cutting heights of 1.18-2.8inch for each mowing zone. Enjoy your vacation and control your mower anywhere.
MOW LAWN UP TO 0.75 ACRES (0.13 ACRE/H): The LUBA AWD 3000 robotic lawn mower features dual cutting plates and a 16-inch (400mm) cutting width, ensuring thorough grass cutting without any missed areas. Compared to the random mowing pattern of conventional robotic mowers, the planned route algorithm significantly improves Luba's mowing efficiency. It has a super high efficiency of mowing up to 0.13 acre (500㎡) each hour, allowing your family to enjoying more time on picture-perfect lawn.
SAFETY AND THEFT PREVENTION: Four ultrasonic radar sensors allow the LUBA robot lawn mower to automatically detect and avoid obstacles with a Field of view (FOV) of 220 degrees. Equipped front bumper, lift and tilt blade-stop sensor and TÜV Rheinland-certified Quality, LUBA automatic lawn mower robot can protect itself, ambient animals and your family. The theft prevention system protects LUBA AWD 3000 robot mower from potential theft.
PACKAGE INCLUDED: 1. Charging Station 2. LUBA AWD 3000 Robotic Lawn Mower 3. Power Supply 4. RTK Reference Station 5. RTK Reference Station Extension Cable (33 ft.) 6. RTK Reference Station Power Supply 7. Extra One Set of Blade 8. Key 9. Installation Kits 10. Mounting Pole 11. Quick Start Guide

Bestseller No. 3

OWLMOW Robot Lawn Mower with GPS Path Planning, Mows Up to 1/2 Acre /22,000 Sq.Ft, APP...

STAY WITHIN BOUNDS: OWLMOW’s unique base station and robot dual GPS positioning system enables accurate positioning and mapping of your lawn. With the assistance of the boundary wires, the robot will always stay within the designated lawn area and avoid any trouble. If you have already installed boundary wires from other brands, you can directly use our robot (compatible with all boundary wires).
CAPACITY COMPLICATED YARD: With years of experience in manufacturing and selling garden robots, we have reinforced the front wheel structure and driving program of the robot. It features off-road rescue programs and high-torque motors, allowing the robot to easily handle various complex lawn environments. The IPX5 waterproof rating and rain sensor make maintenance and usage more effortless for you.
OWLMOW APP CONTROL: Using the OWLMOW App and WiFi/BT communication, you can easily set different schedules, cutting modes, and monitor the real-time status and mowing progress of the robot. The robot can automatically divide multiple working areas to improve efficiency. It can recognize and navigate through narrow channels between different yards, and the S1/S2 dual-channel prevents interference between robots.
MOW LAWN UP TO 1/2 ACRES: Compared to the random mowing pattern of conventional robotic mowers, the planned route algorithm significantly improves OWLMOW's mowing efficiency. With a low noise level (below 60 decibels), it has a super high mowing efficiency of up to 1956 sq. ft (180㎡) per hour, ensuring it won't disturb your family or neighbors.
SAFETY & QUALITY ASSURANCE: With the GNSS system, bumper sensor, lift, and tilt blade-stop sensor, the OWLMOW automatic lawn mower robot can protect itself and the people and animals around it. We have a comprehensive local after-sales repair system and English-speaking technical support in the United States, providing solutions to your technical inquiries throughout the pre-sales and after-sales process. Join the OWLMOW.

Bestseller No. 4

Gardena 15201-20 SILENO Minimo - Automatic Robotic Lawn Mower, with Bluetooth app and...

Highly intelligent robotic lawn mower: GARDENA SILENO Minimo automatically mows yards up to 2700 sq ft using PATENTED streak-free technology, with easy connectivity via Bluetooth EasyApp Control, Auto-Schedule and EasyConfig
Precise, silent navigation: Relax in your backyard while SILENO Minimo expertly navigates narrow spaces and tight corners while quietly cutting your grass with one of the quietest in class noise levels of 57 dbA
Safe and reliable: The boundary wire ensures the Robotic Lawn Mower only mows the areas specified while collision sensors ensures the mower operates safely with no accidents or damage to your garden
All-weather and terrain: SILENO keeps mowing rain or shine and cuts all shapes of lawns within the boundary wire limits, from simple to complex including slopes of up to a 35 percent gradient (19°)
DIY Installation: Easily set-up your robotic mower at home, using our installation videos or user-friendly instructions and everything you need, provided in the box!

Bestseller No. 5

Husqvarna Automower® 115H (1st Generation) Connect Robotic Lawn Mower

Husqvarna Automower 115H 4G Robotic Lawn Mower uses smart technology from the world leader in robotic mowing(1) so you can have a beautifully cut lawn 24/7 at the touch of a button
Easy Control From Smartphone: Husqvarna's smart technology lets you control scheduling, adjust settings, and start and stop your automatic lawn mower from your smartphone
DIY Installation: Set up your Husqvarna robot mower with the self-installation kit (included); place the charging station, bury or lay the boundary wire around the perimeter of your yard, install the guide wire, choose your settings, and start mowing
Theft Protection: To reduce the risk of theft, the automatic mower is equipped with a built-in alarm system that will sound if it is lifted and is only deactivated with your unique PIN code
All Lawns and Weather: The compact robotic mower is weatherproof and can navigate narrow passages, objects and 17-degree slopes with a cut width of 8.7 inches and an area capacity of 720 square feet per hour, making it perfect for lawns of up to 0.4 acre

Last update on 2023-08-23 / Affiliate links / Images from Amazon Product Advertising API

Conclusion

In this article I have shared with you the best grass mulching mowers.

Once you have decided what type of power is suitable for you and your yard, make sure you also consider the size of your lawn, the larger the lawn the larger the blade size / deck will need to be.

Also do not forget to consider what other features you need, i.e. if you are purchasing a gas mower, does it need to be self-propelled with a variable speed? Do you want an electric start as well as recoil? Are you short of storage and therefore need to have folding handles or vertical storage? If you are purchasing an electric mower do you want a safety key? What about larger rear wheels for increased grip and ease of movement? How lightweight do you want your mower to be?

If you would like additional help with choosing your perfect lawn mower, why not head over to my easy-to-use mower finder, by clicking the image link below, that will select the perfect mower in seconds based on your requirements.