Best Mulching Lawn Mowers of 2025

Bryan Hicks Avatar
Bryan Hicks
Last Updated: Jan 6, 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

Mulching lawn mowers are a great addition to any lawn care arsenal. These mowers are designed to cut grass and leaves into small pieces, which are then redistributed back onto the lawn as a natural fertilizer. This process not only saves time and energy on bagging and disposing of clippings, but also promotes a healthier lawn by returning valuable nutrients to the soil. Mulching mowers come in a variety of sizes and styles to fit any yard, and can be a more eco-friendly option compared to traditional mowers.

At a Glance: Our Top Picks

BILT HARD 21 Inch Lawn Mower Cover #TOP 1
BILT HARD 21 Inch Lawn Mower
ftb score rating icon 9.9
PowerSmart Gas Lawn Mower 21in. Cover #TOP 2
PowerSmart Gas Lawn Mower 21in.
ftb score rating icon 9.8
PowerSmart 21" Push Lawn Mower Cover #TOP 3
PowerSmart 21" Push Lawn Mower
ftb score rating icon 9.6

Top 10 Mulching Lawn Mowers

BILT HARD 21 Inch Lawn Mower

21 Inch, 201cc
BILT HARD 21 Inch Lawn Mower Cover
BILT HARD 21 Inch Lawn Mower Gas Powered, 4-Cycle 201cc Engine, 3-in-1 Push Lawnmower with Bagging, Mulching & Side Discharge, Adjustable 10-Positions Cutting Height, Easy Start

The BILT HARD 21" Lawn Mower is a powerful and versatile walk-behind push lawnmower that will meet all your lawn maintenance needs. Equipped with a robust 170cc 4-stroke OHV engine, this gas-powered mower delivers efficient and reliable performance every time. Its 3-in-1 steel deck allows for mulching, side discharge, and rear bagging, providing you with a well-manicured garden. With its adjustable cutting height, you can easily customize the mowing height from 1.2" to 3.75" to match your lawn requirements. The comfortable foam-wrapped angled grip and smooth movement of the 8" rear and 7" front double ball-bearing wheels make mowing a breeze. Plus, with a 90-day warranty, you can have peace of mind knowing that any quality issues will be addressed by the support team.

What We Like
Adjustable 10-positions cutting height
3-in-1 functionality (bagging, mulching, and side discharge)
One-pull start
#TOP 2

PowerSmart Gas Lawn Mower 21in.

Mulching - 144cc
PowerSmart Gas Lawn Mower 21in. Cover
PowerSmart 21 in. Gas Lawn Mower, 144cc 2-in-1 Mulching Push Mower with 6-Positions Height Adjustment, High Rear Wheels

The PowerSmart Gas Mower is equipped with a powerful 144cc engine that ensures easy starting and efficient mowing. Its durable all-steel deck offers mulching, bagging, and side-discharging options. The 21" cutting blade provides a superior cutting performance, allowing you to finish quickly. With a 6-positions dual-lever height adjustment, you can customize your grass cut from 1.5" to 3.9". Additionally, the quick-folding design saves storage space by 70%, making it convenient to store and use.

What We Like
Powerful 144cc engine
All-steel durable deck
21" cutting blade
#TOP 3

PowerSmart 21" Push Lawn Mower

B8721C
Black
PowerSmart 21" Push Lawn Mower Cover
PowerSmart 21" Push Lawn Mower, B&S 125cc Engine, 2-in-1 Mulching and Side Discharge, Lightweight, Easy Assembly, Corded Push Lawn Mowers for Garden Yard

The PowerSmart Push Lawn Mower is designed for easy lawn care with its lightweight build of just 62 lbs, allowing you to maneuver effortlessly around your yard. The powerful B&S 125cc engine ensures reliable performance, making it suitable for various grass types. You can easily adjust the cutting height with six positions, allowing you to achieve the perfect finish for your lawn. Assembly and maintenance are hassle-free, thanks to the included manual that guides you through the process, ensuring you can enjoy your mower with minimal effort.

What We Like
Lightweight design
Adjustable cutting height
Easy assembly
Powerful engine
Safety features included
#TOP 4

SENIX LSPG-M4 21-Inch Gas Mower

LSPG-M4
Blue
125 cc
SENIX LSPG-M4 21-Inch Gas Mower Cover
SENIX LSPG-M4 21-Inch Gas Push Lawn Mower with 125 cc 4-Cycle Briggs & Stratton Engine, Mulching and Side Discharge, 6-Position Dual Lever Height Adjustment

The SENIX 21-Inch Gas Mower is designed to make lawn care efficient and hassle-free. With its robust steel deck and a 21-inch cutting width, you can cover more ground quickly, making it perfect for small to medium yards. The quiet and eco-friendly Briggs & Stratton 125 cc engine ensures easy starts and reduces emissions, so you can mow without disturbing your neighbors. Its versatile 2-in-1 design allows you to choose between mulching and side discharge, giving you flexibility based on your lawn's needs. Plus, the 6-position height adjustment makes it simple to tailor the cutting height for optimal results.

What We Like
Efficient cutting area
Eco-friendly engine
Versatile mulching options
Adjustable cutting height
#TOP 5

PowerSmart 21" Self Propelled Mower

B8621SXC
PowerSmart 21" Self Propelled Mower Cover
PowerSmart 21" 140cc Self Propelled Lawn Mower, 6-Position Adjustable Cutting Height, 3-in-1 with Mulching. Side Discharge. Rear Bagging, Easy Start

The PowerSmart Self Propelled Mower is designed to meet all your lawn care needs with its versatile 3-in-1 functionality, allowing you to mulch, side discharge, or rear bag clippings effortlessly. Its powerful 140cc engine ensures reliable performance, providing the strength you need to tackle any lawn. You can easily adjust the cutting height with six different settings, ranging from 1.5 to 3.9 inches, giving you the flexibility to achieve the perfect lawn finish. The self-propelled drive system enhances traction, making it easier to navigate inclines and uneven terrain, ensuring a smooth mowing experience.

What We Like
Versatile 3-in-1 functionality
Powerful 140cc engine
Adjustable cutting height
Self-propelled for easy use
#TOP 6

PowerSmart 21" Self Propelled Mower

B8721S1
PowerSmart 21" Self Propelled Mower Cover
PowerSmart 21" B&S Engine 140cc Self Propelled Lawn Mower - Steel Deck, 6-Height Adjustments, 3-in-1 Mulching Capability

The PowerSmart 21" Mower is designed to make lawn care effortless and efficient. With its powerful 140cc Briggs & Stratton engine, you can enjoy a reliable and easy start, allowing you to focus on achieving a beautifully manicured lawn. The durable steel deck ensures longevity and consistent cutting performance, making it perfect for large yards. You can easily adjust the cutting height with six different settings, allowing you to customize your lawn's look. Additionally, the mower's 3-in-1 mulching capability provides flexibility, letting you choose between side discharge, rear bagging, and mulching to meet your lawn care needs.

What We Like
Powerful engine performance
Durable steel construction
Easy height adjustments
Versatile mulching options
#TOP 7

YARDMAX 22" 201cc Self Propelled Lawn Mower

YG2760
Black
YARDMAX 22" 201cc Self Propelled Lawn Mower Cover
YARDMAX 22 in. 201cc Select PACE 6 Speed CVT High Wheel RWD 3-in-1 Gas Walk Behind Self Propelled Lawn Mower, Black

The YARDMAX 22" 201cc Self Propelled Lawn Mower is a gas-powered mower that comes with a single-lever deck adjustment for quick mow height setting. It also features the MAXFlow Deck Technology that offers better airflow and mulching. The mower has a 16-gauge stamped steel deck that is durable and reduces vibration. It has seven cutting heights ranging from 1.38" to 3.55".

What We Like
Single-lever deck adjustment for quick setting of mow height
MAXFlow Deck Technology for better airflow and mulching
Durable, one-piece seamless steel deck reduces vibration
Seven cutting heights for precise mowing
Self-propelled for easy operation
#TOP 8

Yard Force Gas Lawn Mower 22-inch

YF22-3N1SP
Yard Force Gas Lawn Mower 22-inch Cover
Yard Force Self-Propelled Lawn Mower, Powerful Briggs & Stratton 150cc Engine, 22” Made in America. Steel Deck, 3-in-1 (Mulch, Bag, Side Discharge), High Rear Wheel Drive.

The Yard Force Gas Mower is a powerful and efficient walk-behind lawn mower designed to make your mowing tasks a breeze. Equipped with a Briggs & Stratton 150cc engine, this mower delivers reliable power to quickly tackle any job. The 22-inch cutting width provides a large cutting area, ensuring high durability. With the 7-position single-lever height adjustment, you can easily customize the cutting height from 1.25-inch to 3.75-inch to suit your lawn's needs. The 3-in-1 steel decking allows for mulching, side discharge, and rear discharge, giving you versatile mowing options. Additionally, the self-propelled rear-wheel drive with variable speed makes mowing effortless, even on slopes. Experience the convenience and efficiency of the Yard Force Gas Mower for a well-maintained lawn.

What We Like
Sturdy and well-made
Powerful Briggs & Stratton engine
Effortless self-propelled feature
Single lever cutting height adjustment
Smooth maneuverability with 12-inch rear wheels
#TOP 9

RB 40V Cordless Lawn Mower

RB
white
9 IN
RB 40V Cordless Lawn Mower Cover
40V Lawn Mower Cordless 9 in Small Lawn Mowers Battery Handy Lawn Mower for Lawns up to 540 sp.ft with Mulching Function and 3 Cutting Height Adjustments with 40V Battery and Charger

The RB Cordless Lawn Mower is designed for efficiency and ease of use. With its 9-inch mulching blade spinning at 6000 RPM, it finely chops grass, making clean-up a breeze for small lawns up to 540 square feet. You can easily adjust the cutting height between 1.18 inches and 1.97 inches to suit various grass types and conditions. Its user-friendly design allows for operation with one or both hands, providing flexibility during mowing. When you're done, the foldable handle makes storage simple, saving space in your garage or shed.

What We Like
Lightweight and compact
Adjustable cutting heights
Easy one-handed operation
Quick storage capability

Greenworks 40V 16" Cordless Electric Lawn Mower

25322
Green
16" (4.0Ah)
Greenworks 40V 16" Cordless Electric Lawn Mower Cover
Greenworks 40V 16" Cordless (Push) Lawn Mower (75+ Compatible Tools), 4.0Ah Battery and Charger Included

The Greenworks 40V 16" Cordless Electric Lawn Mower is a lightweight and easy to use mower with a single lever 5-position height adjustment and a cutting height range from 1-1/4" to 3-3/8". It is virtually maintenance free, with no gas, no oil and no emissions, and comes with a 4.0Ah battery and charger. Customers love its power, lightweight design, and quiet operation.

What We Like
Lightweight design
Quiet operation
Long-lasting battery
Buying Guide Image

A Guide to Selecting the Best Mulching Lawn Mowers

Introduction

Maintaining a healthy lawn requires time, effort, and the right tools. One of the most important tools that you need is a mulching lawn mower. Mulching mowers are designed to chop grass clippings into tiny pieces, which then decompose and return nutrients to the soil. They also eliminate the need for bagging and disposing of clippings. But with so many options available in the market, how do you choose the right one for your lawn? In this article, we’ll guide you through the key factors to consider when choosing a mulching lawn mower.

Cutting Deck Size

The cutting deck size refers to the width of the blade, and it determines how much grass the mower can cut in one pass. If you have a small lawn, a cutting deck size of 14 to 18 inches should suffice. For medium-sized lawns, a cutting deck size of 20 to 22 inches is ideal. And for large lawns, a cutting deck size of 22 to 30 inches is recommended. However, keep in mind that a larger cutting deck size means a heavier mower, which can be difficult to maneuver in tight spaces.

Engine Power

The engine power determines how efficiently the mower can cut through thick grass. If you have a small lawn with thin grass, a mower with an engine power of 140 to 160 cc should work fine. For medium-sized lawns with thicker grass, an engine power of 160 to 190 cc is recommended. And for large lawns with dense grass, an engine power of 190 to 250 cc is ideal. However, keep in mind that a higher engine power means a louder mower, which can be a nuisance to your neighbors.

Mulching Capability

The mulching capability is the most important feature of a mulching lawn mower. Look for a mower that has multiple cutting blades and can chop grass clippings into small pieces. This will ensure that the clippings decompose quickly and return nutrients to the soil. Ideally, the mower should have a mulching plug that you can insert into the discharge chute to block off the grass clippings, allowing them to be chopped into even smaller pieces.

Durability

Durability is another key factor to consider when choosing a mulching lawn mower. Look for a mower with a sturdy frame, durable wheels, and a rust-resistant deck. The mower should also come with a warranty of at least two years, which shows that the manufacturer is confident in their product.

Ease of Use

Finally, consider the ease of use when choosing a mulching lawn mower. Look for a mower that is easy to start, has adjustable cutting height, and is easy to maneuver. The mower should also have a comfortable handle and be easy to maintain. Consider the weight of the mower, as well, as a lighter mower will be easier to push around.

Conclusion

Choosing a mulching lawn mower can be overwhelming, but by considering the factors outlined above, you can find the right one for your lawn. Remember to consider the cutting deck size, engine power, mulching capability, durability, and ease of use. By investing in a high-quality mulching lawn mower, you can maintain a healthy lawn with minimal effort.

Frequently Asked Questions (FAQs)

1. Is a mulching lawn mower better?

So, the next time you mow a lawn, consider leaving the grass clippings behind, and mulching them into the yard. Mulching grass clippings provides more nutrients for your soil. As they break down, the clippings will release nitrogen, potassium, and phosphorus.

2. Do mulching lawn mowers work?

Yes. Mulching will blunt blades quicker than regular mowing due to the amount of time the blade makes contact with the grass in each cut. You will, therefore, need to sharpen blades more often if you are mulching. You should also make sure you keep your deck clean.

3. Are mulching lawn mowers worth it?

To sum it all up, mulching, sometimes called “grasscycling” has many benefits: Saves time (no more raking fall leaves) Saves money (free fertilizer, no garbage fees) Helps protect the environment (no grass clippings in streams or landfills)

4. What is the difference between a mulching mower and a regular mower?

A mulching mower blade is usually more curved than a regular mower blade. This design difference enables the mulching lawnmower to keep grass clippings circulating on the mower deck, allowing the blade to cut them over and over again until they are smaller and finer.

Editor's Notes

During our mulching lawn mower research, we found 24 mulching lawn mower products and shortlisted 10 quality products. We collected and analyzed 57,311 customer reviews through our big data system to write the mulching lawn mowers list. We found that most customers choose mulching lawn mowers with an average price of $311.24.

The mulching lawn mowers are available for purchase. We have researched hundreds of brands and picked the top brands of mulching lawn mowers, including BILT HARD, PowerSmart, SENIX, YARDMAX, Yard Force. The seller of top 1 product has received honest feedback from 3,424 consumers with an average rating of 4.8.

Written by
Bryan Hicks Avatar

Bryan Hicks is a professional gardener and a writer who lives in North Texas with his family and his dog. Bryan has spent more than half of his life surrounded by garden products. He has extensive experience in garden makeovers and maintenance and lawn care. His areas of expertise include outdoor decoration, gardening and garden design.