A string trimmer is a must-have tool for maintaining a neat and tidy lawn. However, using one incorrectly can cause more harm than good—to both your yard and the equipment itself. In this article, we’ll highlight 5 common string trimmer mistakes and how to avoid them, ensuring your trimming work is both safe and effective.
1. Using the Wrong Line Type
Many homeowners make the mistake of using the wrong type of string trimmer line for their yard. Different trimming jobs require different line thicknesses and shapes.
How to Avoid It
Check your trimmer’s manual for the recommended line type. Use thicker lines for heavy-duty work like cutting through weeds, and thinner lines for delicate lawn edges.
2. Trimming Too Low to the Ground
Cutting too close to the ground can scalp your lawn and damage the grass roots. This not only harms the grass but can also dull or break the trimmer line faster.
How to Avoid It
Hold the trimmer at a slight angle and keep it level. Aim to cut just the top of the grass, not the soil beneath it.
3. Ignoring Safety Gear
A surprising number of people operate trimmers without basic safety gear. Flying debris can cause serious injury to your eyes, face, and legs.
How to Avoid It
Always wear safety goggles, long pants, gloves, and closed-toe shoes. A face shield is also recommended for added protection.
4. Using a Dull or Old Line
Over time, trimmer lines become brittle or dull, which reduces cutting efficiency and causes unnecessary strain on the motor.
How to Avoid It
Regularly inspect your line and replace it as needed. Store unused line in a cool, dry place to prevent it from becoming brittle.
5. Operating at Full Throttle All the Time
Running your trimmer at full speed may seem more efficient, but it can actually lead to faster wear and tear—not to mention wasted fuel or battery life.
How to Avoid It
Adjust the throttle based on the task. Use lower speeds for light trimming and higher speeds only when necessary.
Final Thoughts
Understanding these 5 common string trimmer mistakes and how to avoid them can help you get the most out of your equipment and keep your yard looking pristine. Whether you’re a first-time user or a seasoned pro, avoiding these pitfalls ensures better performance and longer-lasting tools. Be mindful, stay safe, and trim smart!

