Best Greenworks Cordless String Trimmer (2026)

Maintaining a tidy garden, especially around raised beds and irrigation zones, requires a reliable tool. I have evaluated the current market for a greenworks cordless string trimmer to help you find the right match for your yard maintenance needs.

When selecting a greenworks cordless string trimmer, it is vital to balance battery voltage with your specific landscaping footprint. Whether you are clearing grass from around delicate irrigation lines or managing larger lawn edges, the right equipment makes a significant difference.

For those seeking a balance of power and efficiency, the 40V 12 in Cordless String Trimmer remains a consistent favorite. If you require more heavy-duty performance, the 60V 16 in Cordless String Trimmer provides the extra muscle needed for thicker growth.

Quick Picks for Best Greenworks Cordless String Trimmer

	Best Overall	Replacement Spool for Greenworks Weed Eater String	Voltage: N/A	Battery: N/A	Use Case: Replacement	View Latest Price	Read Review
	Best Budget	40V 12 in Cordless String Trimmer	Voltage: 40V	Battery: 2.0Ah	Use Case: Light trimming	View Latest Price	Read Review
	Best Premium	40V 12-Inch Cordless String Trimmer	Voltage: 40V	Battery: Included	Use Case: General gardening	View Latest Price	Read Review
	Best Compact	60V 16 in Cordless String Trimmer	Voltage: 60V	Battery: 4.0Ah	Use Case: Heavy clearing	View Latest Price	Read Review
	Best Brushless	40V 13 in String Trimmer & Blower Combo	Voltage: 40V	Battery: 2.0Ah	Use Case: Trimming and cleanup	View Latest Price	Read Review
	Best Value	24V 12 in String Trimmer	Voltage: 24V	Battery: 3.0Ah	Use Case: Precision edges	View Latest Price	Read Review
	Most Portable	0.065" Dual Line Replacement String Trimmer Line Spool	Voltage: N/A	Battery: N/A	Use Case: Replacement	View Latest Price	Read Review

Below we evaluate the top Greenworks cordless string trimmer models to help you maintain precise edges around your raised beds and irrigation zones without compromising plant health.

How We Compared Best Greenworks Cordless String Trimmer

We compared the product-listing details available for each option, including the stated use, design, and notable features. Availability and specifications can change, so confirm the current listing details before buying.

Product Comparison: Best Greenworks Cordless String Trimmer (2026)

1. Replacement Spool for Greenworks Weed Eater String

   
   
   
   Essential Maintenance Item
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   • Line Diameter0.065 inch
   • Line Length16 feet
   • Feed TypeAuto-feed
   • CompatibilityGreenworks units
   • Best forRoutine maintenance
   • StandoutConvenient auto-feed

   This spool is a critical component for keeping your trimmer functional. It is designed specifically for compatible Greenworks systems, ensuring that your string feed remains consistent.

   It is best for gardeners who already own a trimmer and need a reliable backup to avoid downtime during a project.

   In practice, the 16-foot length provides enough line for several trimming sessions around raised beds or garden borders.

   The trade-off is that this is merely a consumable part; it does not replace the need for a well-maintained motor or battery.

2. 40V 12 in Cordless String Trimmer

   
   
   
   Best Budget Choice
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   • Voltage40V
   • Battery2.0Ah
   • Cutting Width12 inches
   • SystemCordless
   • Best forSmall yards
   • StandoutAffordable entry point

   The 40V 12 in Cordless String Trimmer is an accessible entry point for homeowners who want to move away from gas-powered tools.

   This unit is well-suited for those with smaller garden spaces or those who need a lightweight tool for quick touch-ups.

   I evaluated the specs and found the 2.0Ah battery is generally sufficient for standard residential lawn edging and light weed clearing.

   The trade-off is the 12-inch cutting path, which may require more passes compared to larger, more powerful models.

3. 40V 12-Inch Cordless String Trimmer

   
   
   
   Premium Performance Tier
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   • Voltage40V
   • BatteryNot included
   • Cutting Width12 inches
   • SystemCordless
   • Best forExisting users
   • StandoutReliable construction

   This 40V 12-Inch Cordless String Trimmer is a solid choice for gardeners who are already invested in the Greenworks 40V ecosystem.

   It is ideal for users who already own spare batteries and chargers, allowing for a more cost-effective upgrade.

   The 12-inch cutting width is standard, providing enough reach to navigate around irrigation setups without damaging sensitive equipment.

   The main trade-off is the lack of an included battery, which adds to the initial cost if you are starting from scratch.

4. 60V 16 in Cordless String Trimmer

   
   
   
   High Power Efficiency
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   • Voltage60V
   • Battery4.0Ah
   • Cutting Width16 inches
   • SystemCordless
   • Best forHeavy duty work
   • StandoutHigh voltage power

   The 60V 16 in Cordless String Trimmer is designed for demanding tasks where standard trimmers might struggle.

   It is perfect for gardeners with larger plots who need to clear thick grass or stubborn weeds quickly.

   The 4.0Ah battery provides a significant power reserve, allowing for longer work sessions without frequent recharging.

   The trade-off is the increased weight and size, which may feel cumbersome in very tight or intricate garden layouts.

5. 40V 13 in String Trimmer & Blower Combo

   
   
   
   Ultimate Garden Value
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   • Voltage40V
   • Battery2.0Ah
   • Trimmer Width13 inches
   • Blower Power350 CFM
   • Best forFull cleanup
   • StandoutTwo-in-one convenience

   This combo kit is a versatile solution for anyone looking to streamline their garden maintenance toolkit.

   It is ideal for those who need both a trimmer for edges and a blower for clearing clippings away from paths and beds.

   I evaluated the specs and noted the 350 CFM blower is a helpful addition for keeping your garden space tidy after trimming.

   The trade-off is that the 2.0Ah battery may drain relatively quickly when switching between two power-hungry tools.

6. 24V 12 in String Trimmer

   
   
   
   Lightweight Maneuverability
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   • Voltage24V
   • Battery3.0Ah
   • Cutting Width12 inches
   • SystemCordless
   • Best forLight trimming
   • StandoutBlade-based cutting

   The 24V 12 in String Trimmer offers excellent portability for quick touch-ups around the garden.

   It is best for gardeners who prioritize a lightweight tool that is easy to handle during extended sessions.

   The unit uses blades, which provides a different cutting experience compared to traditional string-based systems.

   The trade-off is the lower 24V voltage, which may not be suitable for overgrown or very dense vegetation.

7. 0.065" Dual Line Replacement String Trimmer Line Spool

   
   
   
   Reliable Spare Supply
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   • Line Diameter0.065 inch
   • Line TypeDual line
   • Pack Size3 count
   • SystemCordless
   • Best forFrequent use
   • StandoutMultipack convenience

   Having a supply of 0.065" Dual Line Replacement String Trimmer Line Spool is highly recommended for any consistent gardener.

   This pack is ideal for users who frequently clear edges and want to ensure they aren't caught without spare line.

   The dual line design is intended to improve cutting efficiency, helping you maintain clean lines around your garden beds.

   The trade-off is that this is a consumable item; it requires manual replacement and does not address motor or battery performance.

What to Look for in Best Greenworks Cordless String Trimmer

Voltage and Power Capacity

When selecting a Greenworks cordless string trimmer, the voltage rating is the primary indicator of cutting power and runtime. For small-space growing areas or compact raised-bed layouts, the 40V series offers an ideal balance of weight and performance, allowing for easy maneuverability around delicate irrigation lines. Conversely, if your garden features dense overgrowth or thick woody weeds near your lawn perimeter, the 60V models provide the necessary torque to clear material without stalling. Higher voltage systems generally utilize larger batteries, which can increase the tool weight significantly. Consider your typical session length; if you are strictly edging around planters, the 40V platform is usually sufficient, but for clearing larger landscape borders, the 60V system ensures consistent power delivery without frequent battery swaps.

Cutting Swath and Precision

The cutting swath determines how much area you can clear in a single pass, which is vital when working near sensitive garden infrastructure. A 12-inch swath, common in the 40V 12 in Cordless String Trimmer, is perfect for tight spaces and precision trimming around raised-bed corners where a larger head might accidentally damage wooden frames or irrigation emitters. If you have open lawn sections, a 16-inch swath found on the 60V models will drastically reduce your total working time. Always prioritize a model that allows for easy head rotation or edging modes. This feature is essential for maintaining clean lines against stone paths or raised-bed borders, ensuring you don't overshoot your target and disturb the soil contact or mulch layers surrounding your vegetables.

Weight and Ergonomic Balance

Ergonomics are critical for gardeners who spend significant time maintaining complex landscapes. A well-balanced Greenworks cordless string trimmer reduces physical strain on your back and shoulders, especially when you are navigating around elevated garden beds. Look for models with adjustable auxiliary handles that allow you to customize the grip to your specific height and reach. Lightweight 40V units are superior for users who need to maneuver the trimmer at various angles to clear weeds from underneath hanging planters or narrow pathways. A poorly balanced tool will cause rapid fatigue, leading to sloppy trimming that could potentially harm your irrigation risers or garden structures. Always test the weight distribution by holding the trimmer in the operating position before committing to a specific model.

Feed Mechanism and Reliability

The line feed mechanism is the most common point of failure for string trimmers. Greenworks offers both auto-feed and bump-feed systems. For small-space gardening, an auto-feed system is often preferred because it maintains a consistent line length without requiring you to stop and strike the ground, which can be difficult in tight, soil-heavy garden beds. However, experienced gardeners often prefer bump-feed systems for their durability and control over line release. Ensure your replacement spools, like the Replacement Spool for Greenworks Weed Eater String, are readily available and simple to install. A reliable feed mechanism prevents the frustration of line tangles, allowing you to focus on maintaining the aesthetic integrity of your garden beds without constantly stopping to troubleshoot the trimmer head.

Battery Compatibility and Ecosystem

Investing in a Greenworks cordless string trimmer often means buying into a broader power tool ecosystem. The 40V platform is particularly versatile, as these batteries are often interchangeable with other garden tools like blowers and hedge trimmers. If you purchase the 40V 13 in String Trimmer & 350 CFM Blower Combo, you gain immediate access to a shared battery system that streamlines your maintenance workflow. Before purchasing, verify that your chosen battery capacity—measured in Amp-hours (Ah)—is sufficient for your property size. A 2.0Ah battery might be lightweight but will require recharging mid-session for larger tasks. Opting for a 4.0Ah battery provides extended runtime, ensuring you can complete your entire irrigation zone trimming and lawn edging in one continuous session.

Shaft Design and Storage

The shaft design dictates both the reach of the trimmer and how easily it can be stored in a shed or garage. Straight-shaft trimmers offer better reach under shrubs and around raised-bed structures, while curved-shaft models are often lighter and easier to maneuver in confined spaces. Many modern Greenworks models feature a split-shaft design, which is highly beneficial for gardeners with limited storage space. This modularity also allows for the attachment of other garden tools, such as edgers or blowers, transforming your trimmer into a multi-purpose maintenance system. Consider how you store your tools; a split-shaft trimmer can be hung vertically or tucked into small corners, keeping your workspace organized and protecting the motor from accidental damage during the off-season.

Maintenance and Durability

Long-term durability depends on the build quality of the motor and the housing. Brushless motors, found in many higher-end Greenworks models, are more efficient and generate less heat than brushed motors, resulting in a longer lifespan and quieter operation. When working near garden beds, you want a trimmer that can handle minor debris impact without cracking the housing. Look for models with a sturdy debris shield that protects both the user and the plants from flying clippings. Regular maintenance, such as cleaning the cooling vents and checking the string head for debris buildup, is essential. Choosing a model with a robust, weather-resistant design ensures your investment survives the outdoor elements, especially if your garden storage area is exposed to humidity.

Frequently Asked Questions

How do I avoid damaging my irrigation lines while trimming?

To protect your irrigation workflow, always maintain a clear visual of your drip lines and emitters before starting. Use the trimmer's debris shield as a physical guide to maintain a safe distance from delicate components. If you are working in a dense raised-bed layout, consider using a lower power setting or a smaller 12-inch cutting swath to increase precision. Never trim directly against plastic fittings; instead, hand-prune the grass immediately surrounding the irrigation risers to ensure the longevity of your system and prevent accidental leaks caused by high-speed string contact.

Can these trimmers handle tall weeds around garden beds?

Yes, Greenworks cordless string trimmers are highly capable of managing tall weeds, provided you select the appropriate voltage for the task. For thick, woody weeds surrounding your garden beds, the 60V 16 in Cordless String Trimmer is the superior choice due to its high torque output. When tackling tall growth, approach the weed from the top down in sections rather than trying to cut the entire stalk at once. This prevents the trimmer head from tangling and ensures a cleaner cut that doesn't pull on the root systems of your nearby garden crops.

How often should I replace the trimmer line?

The frequency of line replacement depends on how often you strike hard surfaces like stone borders or raised-bed frames. If you notice the line snapping frequently, you are likely hitting obstacles too aggressively. For optimal performance, use the recommended gauge for your specific Greenworks model, such as the Replacement Spool for Greenworks Weed Eater String. Regularly check the spool before each use; if the line appears brittle or frayed, it is time to replace it. Keeping a fresh, high-quality line ensures a clean cut that promotes healthy lawn regrowth rather than tearing the grass blades.

Is the 40V battery compatible with all Greenworks tools?

Greenworks organizes its tools into specific voltage platforms, meaning a 40V battery is compatible with most other 40V tools, but not with 60V or 80V models. If you own the 40V 13 in String Trimmer & 350 CFM Blower Combo, those batteries will work interchangeably between the trimmer and the blower. This cross-compatibility is a significant advantage for gardeners managing small-space growing areas, as it allows you to maintain a lean collection of batteries that can be rotated to keep your entire garden maintenance workflow running smoothly without unnecessary downtime.

What is the benefit of a brushless motor?

A brushless motor is significantly more efficient than a traditional brushed motor because it eliminates the friction caused by carbon brushes. For a cordless string trimmer, this translates to longer battery runtime and increased power delivery under load. Brushless motors also operate at lower temperatures, which reduces wear on internal components and extends the overall lifespan of the tool. If you are a serious gardener who uses your trimmer weekly, the investment in a brushless model will pay off through reduced maintenance needs and more consistent performance when clearing difficult areas near your garden beds.

How should I store my trimmer during winter?

Proper storage is vital for the longevity of your Greenworks cordless string trimmer. First, remove the battery and store it in a cool, dry place at approximately 40-50% charge to preserve cell health. Clean the trimmer head thoroughly to remove any soil or plant residue that could harbor moisture and cause corrosion. If your model has a split-shaft design, separate the pieces to save space. Store the unit in a climate-controlled environment if possible, as extreme temperature fluctuations can degrade the plastic housing and motor seals over several seasons, especially in humid garden environments.

Does the trimmer weight affect my garden bed layout?

The weight of your trimmer directly impacts your ability to perform delicate tasks without damaging your garden layout. A heavy, unbalanced trimmer is difficult to control, increasing the risk of accidentally hitting raised-bed frames or damaging soil contact areas. By choosing a lightweight 40V model, you gain the agility needed to trim tight corners and narrow pathways between beds with surgical precision. If you find your current trimmer is too heavy, consider using a shoulder strap to distribute the weight, which helps maintain steady hand control and protects your garden structures from accidental impacts.

How do I adjust the string length on my Greenworks trimmer?

Most Greenworks trimmers feature an automatic feed system that releases line when you tap the head on the ground while the motor is running. To ensure this works correctly, keep the area clear of large rocks or debris that could damage the spool housing during the bump. If your model uses an auto-feed mechanism, the line will advance automatically as the centrifugal force pulls it out. If the line stops advancing, check for tangles inside the spool. Always ensure the line is wound tightly and evenly to prevent jamming, which is critical for consistent edging around your garden.

Can I use these trimmers for edging along stone paths?

Yes, Greenworks trimmers are excellent for edging, especially models with a rotating head feature. To edge effectively, rotate the trimmer head 90 degrees and use the integrated guide wheel if available. This allows you to walk straight along your stone path while the trimmer cuts a vertical line, creating a clean boundary between your lawn and the hardscape. Be mindful of the soil contact near the path; avoid cutting too deep, as this can expose the soil and encourage weed growth in the gaps between your stones or pavers.

What is the best way to clean the trimmer after use?

After trimming around your garden, use a soft brush or a damp cloth to wipe down the exterior of the trimmer and the debris shield. Avoid using high-pressure water, as this can force moisture into the motor vents and damage electrical components. Pay special attention to the underside of the head, where sap and grass clippings tend to accumulate. Removing this buildup prevents the trimmer from overheating during your next session and ensures the auto-feed mechanism continues to function properly, keeping your garden maintenance workflow efficient and your tools in peak condition.