Looking for the best lawn trimmer Australia to keep your garden looking pristine? Whether you’re tackling thick weeds, edging around pathways, or maintaining a neat lawn border, choosing the right trimmer makes all the difference. With so many options available—from cordless models to gas-powered walk-behind trimmers—it can be overwhelming to pick the one that suits your needs. That’s why we’ve done the research, tested top performers, and compiled this expert-backed roundup of the best lawn trimmers available Down Under. From compact cordless tools perfect for small yards to heavy-duty gas models built for large properties, we’ve got you covered.
Quick Product Comparison
Our Top 5 Best Lawn Trimmer Australia Reviews – Expert Tested & Recommended
1. Milwaukee 18V Hedge Trimmer & Grass Shears Combo, 7.87″ Lightweight Trimmer for Lawn & Garden
This versatile cordless trimmer doubles as both a hedge trimmer and grass shears, making it perfect for precision work in tight spaces. With an ultra-lightweight design and compatibility with popular 18V batteries, it’s ideal for quick touch-ups around gardens and edging without the hassle of cords or gas.
Key Features That Stand Out
- ✓ Dual-function blades switch between trimming hedges and cutting grass
- ✓ Ultra-lightweight at just 2.6 lbs for easy one-handed operation
- ✓ Compatible with major 18V battery systems (DeWalt, Milwaukee, etc.)
- ✓ Sharp, durable blades for clean cuts without tearing
Why We Recommend It
This Milwaukee combo stands out for its versatility and compatibility with existing battery systems—perfect if you’re already invested in an 18V ecosystem. It delivers professional-grade performance in a compact, cordless package that’s easy on the arms and perfect for detailed landscaping work.
Best For
Homeowners who need a lightweight handling trimmer for precision tasks like edging flower beds or trimming small hedges without the bulk of traditional tools.
Pros and Cons
Pros:
- Ultra-lightweight design reduces fatigue
- Dual-function capability saves space and money
- Works with multiple battery brands
- Sharp, clean cuts every time
Cons:
- Smaller cutting width (7.87″) may require multiple passes
- Not suitable for thick brush or heavy-duty clearing
Customer Reviews
Customer Review: “This product works great with DeWalt batteries. The two different sets of blades are easy to take off and put back on the main tool.”
Customer Review: “Got it on sale, so for the price it was well worth it. No problems yet.”
2. BLACK+DECKER BESTA510 Weed Wacker
This reliable electric trimmer combines power and convenience with its 6.5-amp motor and automatic feed spool. As a 2-in-1 trimmer and edger, it easily converts for clean borders and is praised for its consistent performance on thick grass and weeds.
Key Features That Stand Out
- ✓ 2-in-1 design: trimmer and edger in one tool
- ✓ Auto-feed spool eliminates bumping and line feeding issues
- ✓ 6.5-amp motor delivers strong cutting power
- ✓ Lightweight build for comfortable all-day use
Why We Recommend It
The BLACK+DECKER BESTA510 is a standout for its reliability and ease of use. Whether you’re tackling tall grass or creating sharp edges along walkways, this trimmer handles it all with consistent power and minimal effort—making it a favorite among homeowners and landscapers alike.
Best For
Those looking for a dependable electric trimmer that offers both trimming and edging in one affordable, corded package—ideal for medium-sized lawns.
Pros and Cons
Pros:
- Powerful 6.5-amp motor handles tough weeds
- Smooth auto-feed line system
- Lightweight and easy to maneuver
- Made in the USA for quality assurance
Cons:
- Corded operation limits range
- May struggle with very thick brush
- Line replacement can be fiddly
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 $200 😤..Anyway 🙂 This electric weed eater is very good and I’ll take that PEPSI challenge any day 😀 when comparing it to some other weed eaters PLUS it doesn’t USE LINE like other electric weed eaters that I’ve used.. at least that’s been my experience..This is a KEEPER weed eater from Black & Decker👍….it handles tall grass and even some hedge… though it probably shouldn’t be used for hedge but it’s TOUGH 😀 and better than any battery weed eater I used especially with the power and cutting…The power alone and convenience of NOT rushing through the job with the battery pack and charging ect imo is worth the cord drag 🙂… and much better than a battery weed eater or other electric weed eaters..This just cuts better 👍… With MORE power consistently and constantly through the whole job…So in conclusion 🙂 the Black & Decker BESTA510 weed eater in my opinion is a KEEPER and this model has been around for a while which speaks for itself not to mention Black & Decker has been around for years…. This weed eater OVERALL (pound for pound ) is a solid performer with many mostly liking this weed eater and Black & Decker products overall..Thanks for reading🙂.. I hope my review helps… and Did I mention It’s made in the USA…🇺🇲..🙂…”
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 enough to handle thick grass and weeds, yet it’s not too heavy to use for longer periods of time.I also like how easy it is to replace the string and adjust the handle for comfort. For the price, this trimmer is a great value and makes yard work much easier. Highly recommend it for anyone who wants a reliable and easy-to-use weed eater!”
3. Litheli 20V 12″ Cordless String Trimmer/Edger
This affordable cordless trimmer delivers solid performance for its price, featuring a 12-inch cutting width and included fast charger. With four adjustable head positions and included spools, it’s a great entry-level option for small to medium lawns.
Key Features That Stand Out
- ✓ 12-inch cutting width for efficient coverage
- ✓ 2-in-1 trimmer and edger functionality
- ✓ 4-position adjustable head for slopes and tight spaces
- ✓ Includes 2x 2.0Ah batteries and fast charger
Why We Recommend It
If you’re on a budget but still want a reliable cordless trimmer, the Litheli 20V offers excellent value. It’s lightweight, comes with everything you need (batteries, charger, spools), and performs well on typical residential grass and weeds.
Best For
Beginners or budget-conscious buyers looking for an affordable cordless trimmer with decent battery life and edging capability—perfect for small yards.
Pros and Cons
Pros:
- Great value for money
- Includes two batteries and fast charger
- Lightweight and easy to use
- Versatile 2-in-1 design
Cons:
- Battery life diminishes over time
- Build quality feels a bit plasticky
- Not ideal for thick brush or heavy-duty use
Customer Reviews
Customer Review: “The media could not be loaded. Very easy to use and surprisingly powerful for a cordless trimmer. The battery charges quickly and lasts long enough to finish all my trimming and edging. Lightweight and comfortable to hold — my go-to tool for quick cleanups.”
Customer Review: “Soon as I turned it on it cut the string and all went inside were I couldn’t get it back out.”
4. Powerhorse 173cc High-Wheel Walk-Behind Trimmer
This heavy-duty gas-powered walk-behind trimmer delivers serious power with its 173cc engine and 22-inch cutting swath. Built for large lawns and tough jobs, it’s ideal for homeowners with extensive properties who need a commercial-grade solution.
Key Features That Stand Out
- ✓ Powerful 173cc gas engine with recoil start
- ✓ 22-inch cutting path for wide coverage
- ✓ High-wheel design for easy maneuverability
- ✓ Offset head for precise trimming along edges
Why We Recommend It
For large lawns or properties with thick grass and weeds, this Powerhorse trimmer is a beast in the best way. Its gas-powered engine ensures consistent performance without recharging, and the wide cutting path saves significant time compared to handheld models.
Best For
Homeowners with large lawns or those dealing with thick, wet grass who need a powerful, walk-behind solution that doesn’t rely on electricity or batteries.
Pros and Cons
Pros:
- Massive 22-inch cutting width
- Powerful engine handles tough vegetation
- No cord or battery limitations
- Comfortable walk-behind operation
Cons:
- Requires fuel and maintenance
- Bulkier and heavier than handheld models
- Limited precision for detailed edging
Customer Reviews
Customer Review: “I love working in my yard.After mowing it’s time to trim around the flowers and buildings.Its easy to use and does a great job.”
Customer Review: “My cub cabet ST100 stopped working. This is a good replacement. It is more powerful, especially when cutting wet grass/weeds. It doesn’t seem to roll as easy as the cub cabet, but getting it started is just as easy.”
5. BLACK+DECKER 2-in-1 12 Amp Lawn Edger & Trencher
This versatile electric tool doubles as both an edger and trenching machine, offering precise control for clean borders and utility line installation. With three height settings and a powerful 12-amp motor, it’s ideal for detailed landscaping work.
Key Features That Stand Out
- ✓ 2-in-1 design: edger and trenching tool
- ✓ 12-amp motor for strong cutting performance
- ✓ Three height settings for varied applications
- ✓ Sharp blades for clean, professional edges
Why We Recommend It
The BLACK+DECKER edger/trencher combo is a standout for its precision and dual functionality. Whether you’re creating sharp lawn borders or digging shallow trenches for irrigation lines, this tool delivers consistent, clean results without the mess of gas engines.
Best For
Those who need a precision trimming tool for edging driveways, sidewalks, or installing garden features—perfect for homeowners who value clean lines and professional finishes.
Pros and Cons
Pros:
- Dual-purpose edger and trenching tool
- Powerful 12-amp motor
- Three adjustable height settings
- Lightweight and easy to control
Cons:
- Corded operation limits reach
- Not suitable for deep trenching
- Requires outlet access
Customer Reviews
Customer Review: “This is a great lightweight and portable edger. It’s much easier to use than a gasoline powered model. The only limiting factor is the length of the electric cord. It does a great job and make sure your driveways and sidewalk look manicured.”
Customer Review: “This item yields a more professional edging than a string edger.The powerful battery, and ease of handling is fantastic.Purchased to replace my B&D from 9 years ago..”
Complete Buying Guide for Best Lawn Trimmer Australia
Essential Factors We Consider
When selecting the best lawn trimmer Australia has to offer, we evaluate several key factors including power source (corded, cordless, or gas), cutting width, weight, ease of use, and versatility. For cordless models, battery life and compatibility are crucial—especially if you’re using existing tools from brands like DeWalt or Milwaukee. Gas-powered trimmers offer unlimited runtime but require maintenance, while electric models are quieter and lighter but limited by cord length or battery life.
Budget Planning
Lawn trimmers range from budget-friendly cordless options under $100 to heavy-duty gas walk-behind models over $500. Entry-level trimmers like the Litheli 20V offer great value for small yards, while professionals or large property owners may benefit from investing in a more robust model like the Powerhorse walk-behind. Consider long-term costs: batteries degrade over time, gas engines need regular servicing, and some tools require accessories like additional spools or blades.
Final Thoughts
Choosing the right lawn trimmer depends entirely on your yard size, terrain, and how often you’ll use it. For most Australian homeowners, a lightweight cordless or electric model strikes the perfect balance between power and convenience. If you have a large property with thick grass, a gas-powered walk-behind will save you time and effort. Always prioritize features that match your specific needs—whether it’s precision edging, battery life, or ease of handling.
Frequently Asked Questions
Q: What’s the difference between a trimmer and an edger?
A: A trimmer (or weed whacker) cuts grass and weeds along borders and around obstacles, while an edger creates clean, defined lines along driveways, sidewalks, and flower beds. Some 2-in-1 models combine both functions for added versatility.
Q: Are cordless trimmers powerful enough for thick grass?
A: Modern cordless trimmers with 20V+ batteries can handle thick grass and weeds well, especially models with high torque motors. However, very dense brush may still require a gas-powered model for best results.
Q: How often should I replace the cutting line?
A: Most trimmers use 0.065″ to 0.080″ diameter line that should be replaced when it wears down to about 12-18 inches. Some models feature auto-feed systems that extend line life, while others require manual feeding.
Q: Can I use a trimmer on wet grass?
A: Yes, but exercise caution—wet grass is heavier and more slippery. Gas and electric trimmers work well on damp conditions, but cordless models may drain batteries faster. Always wear slip-resistant shoes and maintain firm control.
Q: What maintenance does a lawn trimmer need?
A: Gas models require regular oil changes, spark plug checks, and air filter cleaning. Electric and cordless trimmers need blade cleaning and line replacement. Always refer to your manual for specific maintenance schedules.
Finding the best lawn trimmer Australia doesn’t have to be overwhelming—whether you’re looking for a lightweight cordless model like the Milwaukee combo, a reliable electric option like the BLACK+DECKER BESTA510, or a heavy-duty gas walk-behind for large properties, there’s a perfect fit for every homeowner. From precision edging to clearing tall weeds, these top-rated trimmers deliver the performance, durability, and ease of use you need to keep your lawn looking its best. Ready to upgrade your yard tools? Check out our top picks above and find the trimmer that matches your garden’s needs today. For more expert advice on lawn care, don’t miss our guides on best lawn trimmer for small yards, heavy-duty use, and budget buyers to make the most informed decision for your green space.