If you’re battling tall, thick grass, choosing the right mower can feel like solving a puzzle—power, deck size, and user convenience matter. In 2026, models like the Greenworks 40V 16 and WORX 40V 17 stand out for their robust motors, durable blades, and large decks designed to handle overgrown lawns efficiently. They also offer cordless freedom and easy starting, but which one really fits your yard? Let’s examine their features more closely.
Greenworks 40V 16 Cordless Lawn Mower with 4.0Ah Battery & Charger
- Effortless Power for ½ Acre Yards- Experience gas-like performance without the hassle—35 minutes of continuous runtime from a single 4.0Ah battery (full...
- Ultra-Lightweight Design (35% Lighter)- 16" cutting deck with ergonomic handles and push-button start makes maneuvering effortless—ideal for users...
- Smart Cut Adjustment System- Single-lever 5-position height control (1.25"-3.375") adapts to any grass type. 2-in-1 mulching/rear-bagging system maximizes...
If you want a mower that is powerful but easy to use, the Greenworks 40V 16-Inch Cordless Lawn Mower is a good choice. It comes with a 4.0Ah battery and charger. This mower is eco-friendly and quiet, so it won’t make much noise or pollute the air. It works almost like a gas mower but needs less maintenance. Weighing only 37.5 pounds, it is light and simple to move around. It can handle small to medium lawns, up to half an acre. It also has a fast-charging battery, a grass bag, and works with over 75 Greenworks tools. That makes it useful for many yard jobs.
This mower is best for homeowners with flat or slightly sloped lawns. It is perfect for regular lawn care that needs a quiet, lightweight, and eco-friendly tool.
Pros:
- It makes no emissions and is quiet (<75dB).
- It is light and easy to push.
- It works with many other Greenworks tools for yard work.
Cons:
- The battery lasts about 35 minutes, so you might need to charge it more for larger yards.
- The handle may need some adjustment for comfort.
- It may not work well on very overgrown or uneven ground.
If you want a simple, quiet, and easy-to-use mower for small to medium lawns, the Greenworks 40V 16-Inch Cordless Lawn Mower is a good option. It is light, eco-friendly, and ready to help you keep your yard tidy.
WORX 40V 17 Cordless Lawn Mower with 2 Batteries and Charger
- QUICK-START 40V POWER: Cordless lawn mower delivers robust 40V power with (2) 20V 4.0Ah batteries, ideal for cutting up to 1/8 acre. Starts fast—simply push a...
- SAME BATTERY, EXPANDABLE POWER: The same PowerShare batteries that run this push lawn mower can conveniently be used with 140+ power tools, outdoor power...
- INTELLICUT: Patented sensor technology automatically adjusts cutting speed to match the grass conditions. Intellicut increases cutting speed when it detects...
The WORX 40V 17 Cordless Lawn Mower comes with 2 batteries and a charger. It’s a good choice for small and medium yards, up to about 1/8 of an acre. It is light and quiet, making it easy and comfortable to use.
It has twin 20V 4.0Ah PowerShare batteries. They give you about 45 minutes of mowing power. You can recharge the batteries quickly with the included dual charger. The mower has an Intellicut sensor that adjusts the speed depending on how thick the grass is. This helps save battery and keeps the cut tidy.
The mower offers 7 height options. Its deck is 16 inches wide, so it’s easy to turn and handle small spaces. It weighs around 35 pounds, so it’s not heavy. It’s easy to carry up a hill or put in storage. It runs quietly at 89 decibels, so it won’t bother neighbors.
Best for: Homeowners with small to medium yards up to 1/8 acre who want a quiet, light, and simple mower.
Pros:
- Light and easy to lift, about 35 pounds.
- Works quietly, at 89 decibels.
- Batteries recharge fast, giving about 45 minutes of run time.
Cons:
- Not best for yards larger than 1/8 acre.
- Heavy grass can make the batteries run out faster.
- Made with plastic parts that need cleaning and care to last long.
This mower is simple to use and works well for small lawns. It’s quiet, lightweight, and easy to handle. If you have a small yard and want a mower that is easy and quiet, this could be a good choice.
Greenworks 40V 16 Cordless Lawn Mower with 4.0Ah Battery & Charger
- Effortless Power for ½ Acre Yards- Experience gas-like performance without the hassle—35 minutes of continuous runtime from a single 4.0Ah battery (full...
- Ultra-Lightweight Design (35% Lighter)- 16" cutting deck with ergonomic handles and push-button start makes maneuvering effortless—ideal for users...
- Smart Cut Adjustment System- Single-lever 5-position height control (1.25"-3.375") adapts to any grass type. 2-in-1 mulching/rear-bagging system maximizes...
If you have a yard up to half an acre and need to cut tall grass, the Greenworks 40V 16 Cordless Lawn Mower is a good choice. It has a strong 4.0Ah battery that lasts about 35 minutes. This gives you enough time to trim your yard without stopping to recharge. The mower is light, about 35% lighter than similar models. This makes it easier to move around and avoid obstacles. It has a 16-inch deck, a push-button start, and adjustable height settings so you can choose how short to cut your grass. It’s quiet too, producing less than 75 decibels, so your neighbors won’t be disturbed. Plus, it doesn’t produce emissions and needs little maintenance, which makes lawn care simpler and cleaner.
Best For: homeowners with medium yards up to half an acre who want an eco-friendly, lightweight, and quiet mower that’s easy to use.
Pros:
- Light weight, easier to handle
- Quiet sound, good for neighbors
- Eco-friendly with no emissions and low maintenance
Cons:
- Runs for about 35 minutes before recharging
- Full recharge takes about 2 hours, which might slow you down
- The 16-inch deck may need several passes on big or thick lawns
Factors to Consider When Choosing a Lawn Mower for Tall Grass
When selecting a lawn mower for tall grass, you’ll want to focus on cutting power and blade durability, since thicker grass demands stronger motors and tougher blades to slice through without bogging down. The deck size matters too—larger decks cover more ground quickly, but they can be heavier and trickier to maneuver around tight spots, so balance is key. Don’t forget to take into account battery life or power cord length, because no one likes running out of juice in the middle of a mowing mission, especially when the grass is taller than your kid’s jungle gym.
Cutting Power Requirements
Handling tall, thick grass needs a strong lawn mower. A weak mower won’t cut well and may stall. Look for a mower with more power, like a stronger engine or motor. This helps the mower cut through heavy grass easily. Sharp blades are also important because they stay sharp longer and cut cleanly. Some mowers have features that automatically turn up the power when the grass is thick. This way, you don’t have to do it yourself. Make sure the battery or engine size matches your yard. This prevents you from needing to recharge or refuel often. Having enough power makes cutting tall grass easier and less frustrating.
Blade Durability
Choosing the right blade for your mower is important, especially when cutting tall and tough grass. The key is durability. Use blades made from strong materials like hardened steel or titanium. These materials help the blade resist chips and bends when cutting through thick grass. A wider cutting edge spreads out the force. This reduces stress on the blade and helps it last longer.
Coated blades with special finishes, such as non-stick or rust-resistant coatings, prevent grass buildup and rust. This keeps the mower cutting smoothly for a longer time. Sharp blades cut better, but they must also be tough enough to handle the stress from tall grass. If they aren’t durable, they will dull quickly.
It is also important to regularly check your blades and sharpen them. Proper maintenance keeps blades effective and helps them last longer. Taking good care of your blades ensures your mower cuts well, season after season.
Deck Size Adequacy
A deck size that fits the job makes mowing tall grass easier. If your lawn is thick and overgrown, you need a wider deck. Look for at least 16 inches. A bigger deck covers more ground with each pass. This makes mowing faster and less tiring. Small decks often clog or struggle with tall grass. You might need to stop often to clear jammed grass. That slows you down and can be annoying. A larger deck gives a cleaner, more even cut. It also helps avoid missed patches or uneven patches. Make sure the deck height can be adjusted above 3 inches. Taller grass needs more space so it can be cut properly. A good-sized deck turns a hard job into a smoother, quicker task.
Maneuverability Ease
Mowing tall grass can be tricky if your mower is hard to control. A lightweight mower with ergonomic handles is easier to steer and helps reduce fatigue. An adjustable cutting height lets you set the mower to handle overgrown grass without clogging. Self-propel features make pushing the mower easier, especially on rough ground. A small deck size and tight turning radius help you move around obstacles and reach tight spots easily. Choosing a mower with adjustable speed gives you better control through thick grass. This helps you work faster and makes mowing less frustrating.
Battery Life Span
Battery life is an important part of using a lawn mower. How long the battery lasts depends on its size, measured in amp-hours (Ah). A bigger battery usually runs longer, which helps you cut tall grass more easily. But if the grass is thick and you use the mower often, the battery can wear out faster. Most lithium-ion batteries can be charged about 300 to 500 times before they lose power. To make the battery last longer, you should charge it properly. Don’t let it fully drain all the time and store it in a good place. Using a fast charger can quickly power up the battery, but it can also make the battery get hot. Too much heat can hurt its life. Be careful with charging habits. Taking good care of the battery helps your mower work well for many mowing sessions.
Grass Collection System
Have you thought about how a good grass collection system can make mowing easier? When your lawn has tall grass, a quality system helps pick up clippings quickly. It keeps your yard clean and saves you time cleaning up later. The size of the collection bag matters. Bigger bags mean you don’t have to stop often to empty them, which is helpful with thick, wet grass.
If you want to reuse grass clippings as compost or to feed the soil, a mulching feature works well. But mulching might not do as well with tall or heavy grass. Look for a system that’s easy to put on and take off. Also, cleaning it should be simple. If it’s hard to handle or gets messy, it can slow you down.
Good airflow and suction are important. These help prevent clogs and keep the clippings moving into the bag. This makes mowing faster and less frustrating. So, choose a grass collection system that’s simple, big enough, easy to clean, and works well with your yard.
Ease of Assembly
Choosing a lawn mower that’s easy to put together can save you a lot of hassle. If you have tall grass that needs quick cutting, simple assembly is key. The best models have fewer parts and clear instructions. This makes setting up quick and easy. Some mowers don’t need tools to assemble. They have quick-connect parts that snap together easily. That’s great if you’re not into using tools or don’t have them. Lightweight mowers are also better. They are easier to lift and move through thick grass. Labels and color-coded parts help guide you during assembly. They make it simpler to know which piece goes where. Some mowers have modular designs. This means you can take them apart quickly for cleaning or fixing. All these features help you start mowing faster and with less trouble. With a simple-to-assemble mower, you can spend more time cutting grass and less time figuring out how to build it.
Noise Levels
Just like how easy a mower is to put together, noise level is also a big thing to think about when picking a mower for tall grass. You want a mower that doesn’t make too much noise, so it doesn’t bother you or your neighbors. Electric and battery mowers usually make less noise—around 75 decibels or lower. That’s quieter than gas mowers, which can go over 85 decibels and cause your ears to ring or your neighbor’s dog to bark.
When you cut tall, thick grass, the mower has to work harder. This can make it noisier. To keep things quiet, look for a mower with a strong motor or special blade. Some mowers even have insulation and sound-proofing parts that help keep the noise down. These quiet mowers make yard work a lot less annoying and more peaceful. Plus, keeping noise low is good for your neighbors and can help you follow local noise rules.
FAQs
How Often Should I Mow Tall Grass for Optimal Health?
You should mow tall grass every 1 to 2 weeks, depending on growth rate, to keep it healthy. Cutting regularly prevents overgrowth, promotes thick, lush grass, and guarantees your lawn stays neat and resilient against weeds and disease.
Can Cordless Mowers Handle Wet or Damp Grass?
Cordless mowers can handle wet or damp grass, but they may struggle with clogging or reduced cutting efficiency. You should wait for the grass to dry to guarantee ideal performance and avoid potential damage to your mower.
What Safety Precautions Are Recommended for Tall Grass Mowing?
You should wear sturdy gloves and eye protection, clear debris beforehand, avoid mowing wet tall grass, proceed slowly, and stay alert to prevent clogs or injuries. Always switch off the mower before adjusting or clearing jams.
Are They Suitable for Uneven or Sloped Terrain?
Yes, these mowers are suitable for uneven or sloped terrain, especially models with adjustable handles, wide wheels, and sturdy build. You can maneuver them confidently, but always prioritize safety and avoid overly steep slopes for safe mowing.
How Long Do Battery-Powered Mowers Typically Last During Heavy Mowing?
During heavy mowing, battery-powered mowers usually last between 30 and 60 minutes, depending on grass thickness, mower model, and battery capacity. You should plan for frequent recharges or additional batteries to finish large, dense lawns efficiently.
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