5 Best Lawn Trimmers for Thick Grass (Expert Picks)

Dealing with thick, stubborn grass can be a real challenge, turning your weekend yard work into a battle. You need a lawn trimmer that can handle more than just light wisps. This roundup focuses on the best lawn trimmers for thick grass, machines built with the power and durability to tackle overgrown areas and dense weeds without giving up. We’ve tested and reviewed top models to help you find the perfect tool for a beautifully maintained lawn, even when it’s at its toughest.

Quick Product Comparison

Product Image Check Price
1. BLACK+DECKER MTC220 3-in-1 Mower Combo BLACK+DECKER 3-in-1 Cordless Mower, Edger, and String Trimmer Combo wi Check Price
2. WORX WG170.2 String Trimmer Edger WORX 20V Cordless String Trimmer & Lawn Edger with Pivoting Head and B Check Price
3. Greenworks 60V 16″ String Trimmer Greenworks 60V 16 Check Price
4. BLACK+DECKER BESTA510 String Trimmer Edger BLACK+DECKER 14-Inch Electric String Trimmer and Lawn Edger with Auto Check Price
5. DEWALT Hedge Grass Trimmer Cordless Hedge Trimmer for DEWALT 20V MAX Battery, 2-in-1 Grass Trimme Check Price

Our Top 5 Best Lawn Trimmer For Thick Grass Reviews – Expert Tested & Recommended

🏆 Best Choice

1. BLACK+DECKER MTC220 3-in-1 Mower Combo

BLACK+DECKER MTC220 3-in-1 Mower Combo

Rating: ★★★★☆ 3.9/5

The BLACK+DECKER MTC220 3-in-1 combo is a fantastic option if you’re looking for versatility. It easily switches between being a mower, edger, and string trimmer. This makes it incredibly handy for maintaining smaller yards or tackling those tricky, overgrown spots that a regular mower can’t handle. Its automatic feed spool keeps the line flowing, so you’re not constantly stopping to adjust it, which is a lifesaver when dealing with dense grass.

Key Features That Stand Out

  • 3-in-1 functionality: Mower, edger, and string trimmer in one unit.
  • Convertible wheeled deck for easy mowing.
  • AFS automatic feed spool for continuous trimming.
  • Lightweight and easy to maneuver.

Why We Recommend It

This tool is a game-changer for yards with varied terrain or tight spaces. The ability to switch functions so easily means you can quickly adapt to different lawn care needs. It’s robust enough to handle moderately thick grass and provides a clean finish, making your yard look consistently tidy without needing multiple tools.

Best For

Homeowners with smaller to medium-sized yards who appreciate multi-functional tools and need a reliable way to manage thicker grass patches and edges.

Pros and Cons

Pros:
  • Highly versatile with three tools in one.
  • Easy transition between mowing and trimming modes.
  • Automatic line feed reduces interruptions.
  • Good for smaller areas and detailed work.
Cons:
  • Battery life might be a concern for very large areas.
  • Mowing function is best suited for smaller lawns.

Customer Reviews

Customer Review: I live in Phoenix on an acre parcel and most of it is in desert landscape. Therefore no formal lawn to mow. Yaaa. However when it rains here the weeds grow, well like weeds. Fast and furious. This year we had lots of rain and lots of weeds. I’ve been running a battery powered weed eater every day f

Customer Review: I absolutely adore this mower/whacker! I have multiple small areas of grass that were once a pain to drag a heavy lawn mower over. I also wasn’t a fan of keeping and dealing with gas to mow a few small areas. This tool is lightweight and switches between mow/whack easily. Not a great choice for wet/

⭐ Editor’s Choice

2. WORX WG170.2 String Trimmer Edger

WORX WG170.2 String Trimmer Edger

Rating: ★★★★☆ 4.4/5

The WORX WG170.2 is a standout for its versatility and ease of use, making it a top pick for anyone tackling thick grass. It’s not just a trimmer; it easily converts into a wheeled edger and even a mini-mower. This means you can tackle a variety of lawn tasks with just one tool. The command feed technology is brilliant for ensuring you always have enough line, so you can power through tough jobs without interruption.

Key Features That Stand Out

  • 3-in-1: Trimmer, edger, and mini-mower.
  • Automatic line feed for uninterrupted use.
  • Pivoting head and adjustable handle for comfort.
  • 7600 RPM for efficient cutting.
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Why We Recommend It

This trimmer is engineered for efficiency. Its powerful motor and smart line-feeding system make short work of dense vegetation. The ergonomic design ensures you can use it for extended periods without fatigue, making it ideal for larger properties or for those who have to deal with particularly stubborn grass and weeds.

Best For

Users who need a powerful, adaptable trimmer for tackling varied lawn conditions, including thick grass, and appreciate ergonomic design.

Pros and Cons

Pros:
  • Excellent 3-in-1 functionality.
  • Comfortable to hold and operate for long periods.
  • Reliable automatic line feed system.
  • Handles thick grass effectively.
Cons:
  • The mini-mower function might not be as robust as a dedicated mower.
  • Battery life can vary based on usage intensity.

Customer Reviews

Customer Review: Bought this to replace an old Greenworks that never fed the string right. The WORX trimmer is definitely llighter. Battery arrived with one bar and charged up fairly quickly. I wanted to edge with it but the instruction weren’t clear as to how to position the head on its side. Took a while to fi

Customer Review: I needed a lightweight trimmer that I could use easily to do spot work around trees, faucets and other trim work. This was it! It easy folds for storage into a small space, runs a long time on one charged battery, and works like a champ. The string spool looks so small but it lasts a long time, seve

💰 Best Budget

3. Greenworks 60V 16″ String Trimmer

Greenworks 60V 16

Rating: ★★★★☆ 4.3/5

For those seeking serious power without breaking the bank, the Greenworks 60V trimmer is an excellent choice. It boasts a robust brushless motor that rivals gas-powered trimmers, making it ideal for challenging lawns with thick grass and weeds. The ability to reload line quickly and the professional 16-inch cutting swath mean you can get the job done efficiently. This is a great option if you’re looking for performance that can stand up to tough conditions.

Key Features That Stand Out

  • Powerful 60V brushless motor equivalent to a 26cc gas trimmer.
  • Spin-to-load head for quick line reloading.
  • Wide 16-inch cutting swath for efficiency.
  • Handles thick weeds and vines with ease.

Why We Recommend It

This trimmer offers exceptional value for its power and performance. It’s built to handle demanding tasks, so if you have thick grass that consistently gives other trimmers trouble, this is a worthy contender. The ease of line reloading is also a huge plus for uninterrupted work.

Best For

Budget-conscious homeowners who need a powerful trimmer capable of handling thick grass and weeds, and appreciate user-friendly line changes.

Pros and Cons

Pros:
  • Very powerful motor for thick grass.
  • Fast and easy line reloading.
  • Generous cutting width.
  • Good value for the performance offered.
Cons:
  • The battery can be a bit heavy for some users.
  • Requires purchasing batteries and charger separately if not already owned.

Customer Reviews

Customer Review: The good folks at Greenworks have another hit. This 60V cordless string trimmer hits that sweet spot of having enough power without feeling like overkill.This 60V unit has the power to blast through all sorts of weeds, and the 4 amp hour capacity lasts long enough to get most medium and some larger

Customer Review: I recently purchased this weed eater, and it performs impressively. It powers through thick grass and weeds effortlessly, and the battery-operated design is convenient and easy to use for most yard tasks.However, the battery is a significant drawback—it’s very heavy. At 5’2” and 125 pounds, I found

4. BLACK+DECKER BESTA510 String Trimmer Edger

BLACK+DECKER BESTA510 String Trimmer Edger

Rating: ★★★★☆ 4.4/5

If you’re looking for a reliable electric option for tackling thick grass and precise edging, the BLACK+DECKER BESTA510 is a solid choice. Its 6.5 amp motor provides good power for its class, and the POWERDRIVE transmission ensures it doesn’t bog down easily when faced with tougher weeds. The auto feed spool system means you can keep working without the hassle of manual line adjustments. This is a great option for maintaining a neat yard without the complexities of gas or batteries.

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Key Features That Stand Out

  • 2-in-1 trimmer and wheeled edger functionality.
  • Powerful 6.5 amp motor with POWERDRIVE Transmission.
  • Automatic feed spool for uninterrupted use.
  • Lightweight and easy to handle.

Why We Recommend It

This electric trimmer offers a great balance of power and convenience. It’s more than capable of handling moderately thick grass and is particularly good for achieving clean edges along walkways and garden beds. It’s a straightforward, no-fuss tool that gets the job done.

Best For

Homeowners with yards that require regular trimming and edging, especially those who prefer the reliability of an electric corded tool and deal with moderately thick grass.

Pros and Cons

Pros:
  • Good power for an electric trimmer.
  • Easy conversion to edger mode.
  • Reliable auto-feed line system.
  • Lightweight and easy to maneuver.
Cons:
  • The cord can be restrictive in larger yards.
  • May struggle with extremely dense, overgrown areas compared to high-end gas models.

Customer Reviews

Customer Review: Well folks🙂 I have to tell you this has been a nice weed eater that cuts really good and it’s LIGHTWEIGHT and it’s powerful👍 and at a PRICE that can’t be beat…it’s way more powerful than some battery and electric weed eaters that I have.. like a Ryobi… And supposedly a commercial grade Ryobi $

Customer Review: I’ve been using this BLACK+DECKER string trimmer for a while now and I’m really impressed. It’s lightweight, easy to handle, and starts up right away without any hassle. Perfect for edging and trimming around my yard, especially in tight spots where a mower can’t reach. The cutting power is strong e

5. DEWALT Hedge Grass Trimmer

DEWALT Hedge Grass Trimmer

Rating: ★★★★☆ 4.5/5

If you’re already invested in the DEWALT 20V MAX battery system, this 2-in-1 hedge trimmer and grass trimmer is a smart addition. It offers the convenience of cordless operation and the power to handle both trimming bushes and tackling thicker grass. While its primary function might lean towards hedge trimming, its grass trimming capability is sufficient for moderately dense areas, especially when you need a quick tidy-up or edging work. It’s a versatile tool that adds value to an existing DEWALT tool collection.

Key Features That Stand Out

  • Compatible with DEWALT 20V MAX batteries.
  • 2-in-1 design: hedge trimmer and grass trimmer.
  • Cordless and lightweight for easy maneuverability.
  • Provides 1500 RPM for effective cutting.

Why We Recommend It

This tool is excellent for users who want to consolidate their gardening tools and maximize battery usage within a DeWalt ecosystem. It’s efficient for maintaining smaller areas of thick grass and offers the flexibility to switch to hedge trimming, making yard maintenance a breeze.

Best For

Existing DEWALT 20V MAX battery users who need a cordless tool for both trimming grass and hedges, and prefer a lightweight, maneuverable option.

Pros and Cons

Pros:
  • Seamless integration with DEWALT batteries.
  • Dual functionality saves space and money.
  • Lightweight design for comfortable use.
  • Effective for moderate grass and hedge trimming.
Cons:
  • Battery and charger are not included.
  • Grass trimming power might not match dedicated trimmers for very dense jobs.
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Customer Reviews

Customer Review: This cordless hedge trimmer works perfectly with my DEWALT 20V MAX battery and delivers plenty of power at 1500 RPM. The 2-in-1 design is very convenient for trimming hedges and grass, making yard work faster and easier. It’s lightweight, easy to handle, and cuts cleanly without bogging down. Batter

Customer Review: Excellent little trimmer! Works perfectly with my DEWALT 20V battery and has plenty of power for trimming hedges and grass. The 2-in-1 design is super convenient, easy to switch between blades, and it’s lightweight but strong. Perfect for keeping the yard neat without dragging cords around. Great va

Complete Buying Guide for Best Lawn Trimmer For Thick Grass

Essential Factors We Consider

When selecting the best lawn trimmer for thick grass, several key features are crucial. Power is paramount; look for models with higher amperage (for corded) or voltage (for cordless) and robust motors that won’t quit under pressure. Cutting width also plays a role – a wider swath means you can tackle dense areas more quickly. Durability is another factor; you need a tool that can withstand rigorous use. Finally, consider ergonomics and weight, as you’ll be holding and maneuvering it for extended periods, especially when dealing with tougher jobs.

Budget Planning

The price of lawn trimmers for thick grass can vary significantly based on brand, power source, and features. While premium models might offer advanced technology and higher durability, there are excellent budget-friendly options available that still deliver strong performance. Electric trimmers are generally more affordable than their cordless or gas counterparts. When setting a budget, consider the overall value – a slightly more expensive trimmer that lasts longer and handles tough grass better might be a wiser investment in the long run.

Final Thoughts

Choosing the right lawn trimmer for thick grass ensures your yard maintenance is manageable, not a chore. Whether you opt for a versatile 3-in-1 tool, a powerful cordless option, or a reliable electric model, prioritize power, durability, and user comfort. A good trimmer will make quick work of dense vegetation, leaving your lawn looking neat and tidy.

Frequently Asked Questions

Q: What makes a lawn trimmer good for thick grass?

A: A lawn trimmer is good for thick grass when it has ample power (high amperage or voltage), a robust motor, a durable cutting line, and often a wider cutting swath. These features allow it to cut through dense vegetation without stalling or breaking.

Q: Should I choose a corded or cordless trimmer for thick grass?

A: For thick grass, cordless trimmers often provide more power and freedom of movement, which is beneficial. However, high-powered corded electric trimmers can also be very effective, especially if you have a nearby power source and don’t need to worry about battery life.

Q: How important is the line thickness for trimming thick grass?

A: The line thickness is quite important. Thicker lines (e.g., 0.095 inches or more) are more durable and effective at cutting through dense, thick grass and weeds compared to thinner lines.

Q: Can a trimmer double as a mower for thick grass?

A: Some 3-in-1 trimmers have a mowing attachment. While these can handle light mowing, they are generally not as efficient or effective as a dedicated mower for very thick or overgrown grass.

Tackling thick grass doesn’t have to be an uphill battle. By investing in one of the best lawn trimmers for thick grass, you equip yourself with a powerful ally. Explore the options above, consider your specific yard needs, and get ready to conquer even the most stubborn patches of green. Happy trimming!