The 15 Best Lawn Mowers for Thick Grass 2024

When you have a lawn that is too thick, it is necessary to cut the grass. The best lawn mowers for thick grass are designed with powerful motors and wide cutting blades. In order to make sure that you buy the best lawn mowers for thick grass, you need to check the product reviews of different brands.

In this guide, we have shared the details of the best lawn mowers for thick grass that you can use to keep your lawn green and healthy.

Sun Joe MJ500M 16-Inch Manual Reel Mower w/Adjustable Cutting Height, 6.6-Gallon Removable Grass Catcher, 5 Steel Blades, 2-Wheels

Top 5 best lawn mowers for thick grass

In-depth reviews

Here are feature, pros and cons of the best lawn mowers for thick grass.

1. Worx WG779 40V Cordless Lawn Mower – Best Overall

The Worx WG779 is an impressive cordless lawnmower that’s great for those who love to spend time outdoors, whether it’s gardening, playing sports, or just relaxing.

With a maximum cut area of 5,000 square feet, this compact mower is perfect for residential or commercial lawns. The mower features a 2.2 horsepower motor that provides powerful cutting performance, even on tough terrain.

It has a large cut area and features 3-in-1 technology that lets you cut, mulch, and bag up all your grass at the same time. It has an on-board battery charge indicator that tells you when it’s time to recharge.

The mower has a full-bag indicator that lets you know when you should empty out the bag, and it features a dual-port charger, so you can fill both batteries up at the same time.


  • Durable construction; heavy duty; long lasting; can be used indoors and outdoors

  • Large cut area; ideal for large lawns

  • Dual-port charger

  • Full-bag indicator

  • Removable cutting deck; great for use in harsh conditions


  • Doesn’t include a stand

2. Greenworks 25302 20-Inch 40V Twin Force Cordless Lawn Mower – Best Premium

The GreenWorks G-MAX 20-inch 25302 is a cordless electric lawn mower with a 5Ah battery, which is designed to cut grasses up to 4 inches high and mulches them. It comes with a charging station, and there’s also a battery charge indicator on the mower, so you know when it’s fully charged.

It’s made with a durable steel frame, and the 20-inch cutting deck has a comfortable handle that makes it easy to maneuver around the yard.

The blades are powered by the lithium-ion batteries, which ensures long runtime. The Smart Cut technology automatically adjusts the power level based on the type of grass you have.

Greenworks 25302 20-Inch 40V Twin Force Cordless Lawn Mower, 5.0Ah


  • Has a comfortable handle; a comfortable grip makes it easier to use

  • Comes with a charging station, so you don’t need to worry about recharging

  • It’s very easy to maintain; you only need to clean the blade once a month

  • It’s suitable for both commercial and residential use

  • The battery can be replaced easily


  • The battery lasts for only a year

  • The mower doesn’t come with a bag; you need to buy one separately

3. Sun Joe MJ400E 12-Amp 13-Inch Electric Lawn Mower – Best Budget

The Sun Joe MJ400E is a powerful electric lawn mower that’s designed to cut a wide 13.4-inch path, and it comes with all of the accessories that you need to use it.

It can be maneuvered through small areas without having to worry about getting stuck in the grass, and it’s easy to adjust the height of the blade so that you can get the best cut possible.

It’s an ideal machine for mowing in small areas, and it’s designed to be user-friendly and easy to operate. It’s compact, weighing less than 22 pounds and measuring only 24 inches long, and it has a high-capacity 9.2-gallon collection bag.

The bag is large enough to hold grass clippings and leaves, and it’s a simple design that makes it easy to collect the clippings.


  • Large collection bag

  • Lightweight; weighs less than 22 pounds

  • Small and compact; measures 24 inches long and 16 inches tall


  • Not recommended for larger yards

4. Gardena 4022 Cylinder Lawn Mower – Best Purchased

The Gardena 4022 Silent Lawn Mower is a quiet, efficient and high performance lawn mower. It's a non-contact cutting blade, with two cutting widths (9mm and 18mm). It uses an innovative motor that doesn't need brushes, which means no sparking or brush noise.

It has a large grass deflector and is designed to cut tall grass in hard to reach places. The large wheels with a special profile make the lawn mower go over curbs, uneven ground and rocks, and also keep it stable and upright when moving it from one place to another.

This lawn mower is equipped with a handle for easy lifting. It's designed to cut grasses, weeds, small trees, shrubs and other plants, but you can also use it to remove snow from walkways and driveways. It's also suitable for use in residential areas and parks.


  • Quiet operation

  • Large grass deflector; prevents clippings from falling onto the ground

  • Easy to store; compact and light

  • Can be used to remove snow from walkways and driveways

  • Bag is easy to attach and remove


  • Doesn't come with a tool kit

  • May be too big for some people

5. American Lawn Mower Company Corded Electric Lawn Mower – Best Value

This corded electric lawn mower is made by American Lawn Mowers, a company that’s been producing lawn mowers for nearly 40 years. 

It has a 14-inch cutting width and five height adjustments, so you can adjust it to match the height of your lawn. You can also choose between a high and low cutting height, so you don’t have to worry about having to constantly adjust the height.

The cutting deck is made of heavy-duty steel, so you can be sure that it’ll last for many years. It has a mulching system that enables you to create a smooth, uniform cut that’s perfect for the environment. It has a rear discharge system, which means that it can cut grass from the back of the mower. This is ideal for creating a neat cut, and it’s great for mowing over large areas of grass.

It has a tough plastic top that’s easy to clean, so you won’t have to worry about it collecting dirt or grass clippings. The plastic is easy to grip, and it won’t leave any marks on the surface of your lawn.

It’s powered by a gas-free electric engine, so it’s not harmful to the environment. This means that it’s great for creating a clean, green, and sustainable lawn.


  • Mulching system helps create a smooth, uniform cut

  • Rear discharge system enables you to cut grass from the back of the mower

  • Durable and sturdy

  • Plastic top that’s easy to clean

  • Easy to grip


  • Can be difficult to assemble

  • Not very powerful


Does a bigger lawn mower work better?

Bigger, wider, and greater must imply quicker completion of those tasks, right? But unless you're mowing acres of grass free of slopes, closely spaced obstructions, culverts, etc., using a smaller, more agile mower will probably help you finish the task faster and with better results.

Sun Joe MJ500M 16-Inch Manual Reel Mower w/Adjustable Cutting Height, 6.6-Gallon Removable Grass Catcher, 5 Steel Blades, 2-Wheels

Is it possible to use a lawn mower on wet grass?

It is better to let wet grass dry completely before cutting it. Wet grass clippings can jam up your mower, making it choke and spew out clumps of wet grass that, if left unattended, might smother and damage your lawn. It is better to let damp grass dry completely before cutting it.

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Alycia has a degree in horticulture and has been working in the gardening industry for over a decade. She oversees the content on Best Lawn Mowers and ensures that our articles are informative and accurate. In her free time, Alycia enjoys hiking, cooking, and spending time with her two cats.