How Does a Lawn Edger Work: The Ultimate Guide

How Does a Lawn Edger Work The Ultimate Guide
How Does a Lawn Edger Work The Ultimate Guide

A lawn edger works by using a vertical spinning blade to cut a clear line along the edge of the lawn, giving a sophisticated look to the border. This machine is designed to trim and straighten lawn edges that are difficult to reach with a lawnmower.

Maintaining the beautiful look of a lawn requires more effort than just regular mowing. A neat and clean landscape has a distinct boundary along its edges, and a lawn edger makes it easy to achieve. The edger’s vertical blade cuts through the grass along the edges, creating a clear line that separates the lawn from the surrounding area while giving it a shiny look.

With a lawn edger operated by gas or electricity and operated along the edges of the lawn, it is easy to achieve a proficient finish that enhances the aesthetic of any yard.

What Is A Lawn Edger?

Lawn edging is an essential aspect of maintaining a healthy and beautiful-looking lawn. Lawn edging refers to trimming the edges of your lawn to prevent grass from spilling over onto your driveways, garden paths, or flower beds. Lawn edgers are an essential tool for maintaining the aesthetic vibe of your lawn by keeping its edges neat and tidy.

Whether you’re an amateur or a seasoned landscaper, understanding how a lawn edger works is critical to getting the job done effectively. We’ll discuss the basics of lawn edgers, including their definition, types, and how they work.

Definition And Overview

A lawn edger, also known as an edge trimmer, is a garden tool used to create neat and tidy edges along the borders of your lawn. Lawn edgers cut grass vertically along the lawn’s edges with their rotating blades, creating a sharp boundary between the lawn and other surfaces such as pavements, garden beds, or driveways.

Using a lawn edger helps maintain a clean-cut lawn edge, adding to the overall aesthetic appeal of your lawn.

Different Types Of Lawn Edgers Available

There are several types of lawn edgers available in the market. Understanding each type’s unique features can help you choose a lawn edger that best suits your needs. Below are some of the common types of lawn edgers that you can consider:

  • Manual lawn edgers

Manual lawn edgers are the most basic format of edger available in the market. They are designed to be used manually by the operator. Most manual lawn edgers feature a flat metal blade with a half-moon shape that is used to create a clean edge around your lawn.

The blade is usually attached to a long handle that allows you to use force and cut through the grass easily.

  • Electric lawn edgers

Electric lawn edgers are perfect for creating a tidy lawn edge in minimal time and effort. They feature a powered rotating blade that easily cuts through grass much faster than manual edgers. Electric lawn edgers offer different blade sizes and types depending on the thickness of the grass and the user’s preferences.

They are perfect for medium to large-sized lawns.

  • Gas-powered lawn edgers

Gas-powered lawn edgers are powerful machines that can cut through thick grass seamlessly. They are powered by gasoline and, therefore, much faster and more efficient than electric or manual lawn edgers and are perfect for larger lawn areas. Gas-powered lawn edgers come with different blade sizes and cutting depths, making them versatile in cutting almost any kind of grass.

  • Cordless lawn edgers

Cordless lawn edgers are battery-powered machines that offer the convenience of electric lawn edgers without the hassle of cords or wires. They offer the user the freedom to move around the lawn without restrictions as long as the battery lasts.

They are perfect for gardens with a limited power source and small lawns.

Lawn edgers are an essential tool in lawn care. Having a good lawn edger can save you time and energy while adding value to your lawn. With the different types of lawn edgers available, you can choose the one that fits your preferences and needs.

Hopefully, this ultimate guide provides you with a good start in your journey to creating an aesthetically appealing and neat lawn edge.

In addition, don’t forget to read: How to Use a Lawn Edger

Why Use A Lawn Edger?

A well-manicured lawn is a sight to behold, and a properly edged-lawn can take its appearance to another level. Mowing your lawn is just the first step towards achieving a beautiful lawn. You’ll need to do some edging to give your lawn that extra professional touch.

Lawn edgers are designed for this purpose, and they work by cutting a clean, precise line between your lawn and driveway or sidewalk. Let’s explore the benefits of using a lawn edger.

Benefits Of Using A Lawn Edger

A lawn edger is an essential garden tool for any homeowner who takes pride in their lawn’s appearance. Using a lawn edger contributes to having the perfect lawn. Here are the benefits of using a lawn edger:

  • Helps to create a clean and precise edge: Lawn edgers are designed to cut the grass in a straight line, creating a clean and precise edge that gives your lawn a refined and polished look.
  • Prevents grass from overgrowing: Lawn edgers prevent grass from growing over onto driveways, sidewalks, and gardens, thereby keeping your lawn well-defined and neat.
  • Saves time: Lawn edging is virtually impossible to do by hand, considering the size of the average lawn. With a lawn edger, you can cover large areas in a short amount of time.
  • Easy to use: Lawn edgers are easy to use, with most existing lightweight and featuring intuitive controls. You don’t need to be a professional gardener to use a lawn edger.
  • Improves curb appeal: Asides from the charm it adds to your lawn, properly-edged lawns can increase your property’s value and make it more attractive to potential homebuyers.

Now that you’ve seen the benefits of using a lawn edger, you can see how important it is to own one. A lawn edger can make a significant difference in the appearance of your lawn, giving it a polished look and adding value to your property.

Anyone who wants a perfect-looking lawn should add a lawn edger to their toolbox.

How A Lawn Edger Works

A lawn edger is a handy tool that helps in making clean and pristine edges around your garden, driveway, or sidewalk. It works by slicing through the overgrown grass and turf using its sharp cutting blades. Below are the essential components, the types of blades, and how the motor or engine powers the blade of a lawn edger.

Components Of A Lawn Edger

Before we dive into how a lawn edger works, let’s introduce ourselves to its components:

  • Blade guard: Protects the user from the sharp blades while the machine is in use.
  • Blade(s): Cutting edges that slice through the overgrown grass to create a sharp and determined lawn edge.
  • Motor or engine: The power source that drives the blades of the edger.
  • Handle: Allows you to grab and maneuver the tool comfortably.
  • Edging depth adjustment: A feature that enables you to change the depth of the cut and the angle of the blade.

How The Motor Or Engine Powers The Blade

The motor or engine is the powerhouse of the lawn edger, providing energy to the blades. The power source could be either an electric motor, a gasoline-powered engine, or a battery-powered system. Here’s how each of them works:

  • Electric motor: This type of edger uses an electric motor that is connected to a power source via a cord. When switched on, the motor rotates the blade to slice through the grass. Electric motor edgers produce less noise and require less maintenance than their gas-powered counterparts.
  • Gasoline-powered engine: These edgers run on gasoline, which powers a two-stroke or four-stroke engine. When the engine runs, it causes the blade to rotate and cut. Gasoline-powered edgers are ideal for heavy-duty tasks and running around large outdoor spaces.
  • Battery-powered system: A battery-powered edger runs on a rechargeable battery, which powers its motor. Battery-powered edgers are eco-friendly, easier to handle, and produce less noise pollution.

Blade Types And Shapes

There are several types and shapes of blades used in lawn edgers, each with a unique objective. Here are three of the most common blade types:

  • Star blades: These blades usually have four or eight points and work best for cutting through tough weeds and grass.
  • Flat blades: Also known as rectangular blades, they are the most commonly used type and ideal for general edging tasks.
  • Saw blades: Saw blades have a serrated edge, which makes them fit for cutting roots and digging trenches.

A lawn edger may seem like a small device, but it can make a big difference in the appearance of your lawn. The foundation of how it works involves a sharp blade, a motor or engine power source, and several other components.

Additionally, it is worth mentioning: How to Sharpen a Lawn Edger

Understanding these basics will help you keep your lawn edges looking sharp and groomed.

Techniques For Using A Lawn Edger

A lawn edger is a convenient tool that helps to keep a lawn looking neat and tidy by creating distinct borders between the grass and other areas such as sidewalks, driveways, and flower beds. It achieves this by cutting a defined edge into the ground.

However, to obtain the perfect finish when using a lawn edger, you need to follow specific techniques to ensure that the results are safe and of high quality.

Safety Tips To Bear In Mind When Using A Lawn Edger

When using a lawn edger, it is essential to consider safety tips to prevent accidents that can cause harm to both you and those around you.

  • Read the user manual and follow the guidelines provided by the manufacturer.
  • Wear appropriate protective gear such as goggles, gloves, and sturdy shoes.
  • Keep children and pets far away from the work area, and never allow them to come close to an active edger.
  • Check the edger blades to ensure they are in good condition and sharp enough for use.
  • Use the edger during daylight hours or install a bright energy-efficient light on the working area in case you have to work when it’s dark.

Choosing The Right Edging Depth

Choosing the depth at which you will edge your lawn determines the success of the operation. The depth will depend on the type of edger you are using and how you want your lawn to look. Here are some factors to consider when choosing the edging depth:

  • The type of soil on which your lawn grows. Hard soil will require a heavy-duty edger while soft soil will require a lightweight edger.
  • The type of grass you have on your lawn. Different types of grass have specific edging depths that produce more reasonable results.
  • The edger blade. Most edgers have adjustable blade depths for a choice in how deep you want to edge your lawn.

Correct Posture And Direction When Edging

How you stand and direction when edging is also essential to ensure you achieve the desired results. Consider the following tips:

  • Stand in a vertical position with your feet shoulder-width apart.
  • Use both hands to grip the edger to provide better control.
  • Make sure to edge away from any obstacles such as streetlights, watering systems, and lawn decorations to avoid damaging them.
  • Move the edger slowly and steadily in a straight line. Avoid irregular movements that might cause uneven cuts or trenching.
  • Maintain a constant speed without rushing or slowing down in-between cuts.

Using these techniques when operating a lawn edger will help you achieve clean, sharp edges that boost the overall appearance of your lawn. Remember to consider safety first for the best outcome, and follow the manufacturer’s instructions. With these basics, you can operate the edger like a pro.

Maintaining Your Lawn Edger

How To Properly Maintain Your Lawn Edger

As a responsible lawn owner, it’s important to take care of your lawn edger if you want it to work effectively and last longer. Here are some helpful tips on how to maintain your lawn edger:

Cleaning And Caring For Your Lawn Edger

Cleaning and caring for your lawn edger don’t just ensure that it looks good, but it also helps keep it in top condition. Follow these steps to keep your edger clean:

  • Always wear gloves, goggles, and a face mask to protect yourself from debris and possible injuries.
  • Turn off the engine and allow it to cool before cleaning.
  • Wipe the dirt and debris off the underside of the edges using a dry cloth or brush.
  • Remove the blade, sharpen it, and reinstall it. Refer to the next section for details on how to sharpen your blade.
  • Clean the air filter and the spark plug then replace if necessary.
  • Wipe down the handle and the rest of the edger with a damp cloth or sponge. Use a mild detergent if necessary.
  • Store the edger in a dry, cool place, preferably indoors.

Sharpening The Blade Of Your Lawn Edger

A sharp blade is essential for a successful lawn edging experience, here’s how to do it:

  • Disconnect the blade from the edger and clamp the blade in a vise.
  • Using a flat file, sharpen the blade’s beveled edges. Each stroke must start at the base of the blade and end at the tip, applying moderate pressure while filing downwards.
  • Secure the blade firmly and use a rotary tool with a grinding wheel to sharpen the blade’s teeth, creating a sharp edge. Be careful not to damage the blade teeth.
  • Reinstall the blade back to the edger.

Troubleshooting Common Lawn Edger Problems

Lawn edgers may experience different issues with their performance. Most problems are simple and can be easily resolved. Here are some common problems and how to troubleshoot them:

  • Edger won’t start – check the spark plug and air filter, and ensure the fuel is clean and fresh.
  • The blade won’t rotate – check for any clogs or debris that may be trapped in the blade or belt’s housing.
  • Rough trimming – adjust the blade height to achieve perfect trimming.
  • Overheating – check the engine oil level and clean the air filter. Ensure that there is enough fuel in the edger’s tank.
  • Belt slippage – check the belt’s pressure and adjust it accordingly.

Proper maintenance of your lawn edger is necessary for its longevity and optimal performance. Regular cleaning, blade sharpening, and troubleshooting can help with any issues you may face while using your lawn edger. A well-maintained edger will make lawn edging smoother, easier, and less time-consuming.

Moreover, take a look at: How to Edge Lawn Without an Edger

Frequently Asked Questions On How Does A Lawn Edger Work

How Does A Lawn Edger Work?

A lawn edger works by creating a vertical cut along the edge of a lawn to provide a smooth edge. The blades are positioned vertically and can be adjusted to different cutting depths to match the height of the grass.

The machine is powered either by electricity, gas, or manual operation and is used in pairs with a string trimmer to complete lawn maintenance tasks.

Can Lawn Edgers Handle Different Types Of Grass?

Yes, most lawn edgers are designed to handle various types of grass, including Bermuda, zoysia, and St. Augustine grass. The cutting depth of the edger’s blades can be adjusted to match the thickness of the grass, making it easier to create clean edges for any turf type.

Is It Difficult To Operate A Lawn Edger?

No, it is not difficult to operate a lawn edger. Lawn edgers are designed to be user-friendly and easy to control. Most models have adjustable handles to provide a comfortable grip and can be used either by electrical or gas power, or can be operated manually.

What Are The Safety Precautions When Operating A Lawn Edger?

When using a lawn edger, you should wear safety goggles, gloves, and ear protection. Always check the condition of the blades before using the edger. Do not operate the machine near children or pets and make sure to switch the edger off when changing blades or performing maintenance tasks.

Always read the instructions before use.

Can I Use A Lawn Edger For Other Purposes?

Lawn edgers are not designed for other purposes. They are only intended for edging and trimming the lawn. Using a lawn edger for other tasks can be dangerous and cause damage to the machine. It’s always best to use a suitable instrument for the job best fitted.


After reading this post, we hope you have gained more knowledge about how a lawn edger works and the benefits of using it. Having a perfectly edged lawn not only adds aesthetic value to your property but also prevents overgrowth on walkways and driveways.

Remember to follow the manufacturer’s instructions on how to use this equipment safely. It’s essential to wear protective gear such as gloves and goggles when operating a lawn edger. Also, inspect the equipment regularly to ensure that it is in good condition.

If you encounter any issues during the operation, don’t hesitate to seek professional help to avoid causing more damage. With all this information, you can comfortably maintain a clean, well-edged lawn that enhances the beauty of your home. Thank you for reading!


  • David Mark

    David Mark is an experienced gardening guide with over 20 years of experience. He is passionate about helping people learn about gardening and creating beautiful, healthy gardens. David's love of gardening began at a young age, when he would help his parents in their backyard garden. He quickly learned the basics of gardening, and as he grew older, he began to experiment with different plants and techniques. After graduating from college, David worked as a landscaper for several years. This gave him the opportunity to work on a variety of different gardens, from small backyards to large commercial properties. He also learned how to install irrigation systems, build raised beds, and create patios and walkways. In 2005, David decided to start his own gardening website. He quickly became known for his expertise and friendly personality. He has helped hundreds of people create beautiful gardens, and he is always happy to share his knowledge with others. David is a certified Master Gardener, and he is a member of the American Society of Landscape Architects. He is also a regular contributor to gardening magazines and websites.

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