Tertill: Solar Powered Weeding Robot Full Review

Tertill Robot Full Review

tertill robot
The Tertill weeding robot is a solar-powered device designed to make weed management in your garden a breeze. Created by the inventor of Roomba, this innovative robot offers a hassle-free solution for busy gardeners.

With its easy setup, simply place Tertill in your garden and press the button to activate it. Tertill uses height sensors to identify plants versus weeds, turning away from plants and using a small weed whacker to trim weeds that pass underneath. It even comes with plant guards to protect smaller seedlings.

The Tertill is weatherproof, allowing it to stay in your garden throughout the growing season, and its solar-powered battery eliminates the need for manual charging. While it works best in gardens with specific requirements like a 4-inch border and a relatively flat surface, the Tertill's user-friendly design and autonomous operation make it a great option for anyone looking to simplify their weeding tasks and maintain a clean garden without the hassle.

Product Details

Brand Tertill
Power Source Solar-Powered
Material Metal
Stylt Automatic
Item Weight 2.4 Pounds
Cutting Width 4 Inches
Product Dimensions 8.25"D x 8.25"W x 4.75"H
Batteries 1 Lithium Metal batteries required. (included)
Country of Origin China


The Tertill weeding robot is designed to help maintain a weed-free garden effortlessly. Here are the key features of the product:


  1. Easy to Use: Operating the Tertill is simple. Just place it in a garden that meets the specified requirements, press the button once to wake it up, and press it again to start it. It is designed for user convenience, following the footsteps of the popular Roomba robot vacuum.
  2. Garden Requirements: The Tertill requires specific garden conditions to operate optimally. These include a 4-inch (or higher) continuous border, a foot of space between plants or rows, a relatively flat surface (with a slope of less than 7 degrees), and a relatively smooth terrain. It is recommended to start with a weed-free garden. Each Tertill robot can maintain an area of up to 200 square feet.
  3. Plants vs. Weeds Differentiation: Tertill uses height as a distinguishing factor to identify plants from weeds. If anything tall enough touches its front sensors, it is considered a plant, and the Tertill will turn away. However, if it passes under the robot, Tertill will cut it down. To protect small seedlings that are not tall enough to be detected, the Tertill comes with plant guards.
  4. Weatherproof and Solar-Powered: Tertill is designed to stay in the garden throughout the growing season, from spring to fall. It is weatherproof, meaning it can withstand various weather conditions. The robot is powered by solar energy, eliminating the need for charging or replacing batteries.
    Tertill Solar-Powered Robot

  5. Mulch Compatibility: The Tertill can be used with or without mulch. If using mulch, it is recommended to keep it at a depth of less than 2 inches and avoid large chunks or long strings that could get entangled in the robot's wheels.
  6. Specially-Designed Wheels: The Tertill features wheels with an angled design. This design allows the line trimmer string to spin around freely, keeps the robot's size compact, prevents tumbling on steep slopes, and provides a scrubbing action to help control weed growth.
    tertill robot review picture

  7. Weeding Functionality: The Tertill uses a small weed whacker, similar to a line trimmer, to remove the tops of weeds before they grow into larger plants. The wheels play a role in killing weed seeds in the cotyledon stage before they emerge from the soil.
  8. Advanced Sensors: The Tertill is equipped with sensors that detect when a plant touches its outer chassis. If it determines the plant is a crop, it will turn away. However, if it runs through an overgrown weed, it may mistakenly identify it as a young plant. Therefore, it is recommended to thoroughly weed the garden before deploying the Tertill.
  9. Battery Technology: The Tertill's battery is charged using solar power. The robot can gather some power even on cloudy days, ensuring it can continue to weed the garden. There have been no reported issues with the battery life, and the Tertill operates autonomously as the battery charges and discharges throughout the day.
  10. Navigation: The Tertill utilizes a navigation system similar to early robotic vacuum cleaners, combining random bouncing and wall-following. This method generally provides good coverage of the garden, but certain areas may receive more frequent weeding than others. To confine the Tertill to the desired area, a physical barrier is required.
  11. Usability: The Tertill is highly user-friendly. Setting up the robot is as easy as taking it out of the box, placing it in the garden, and pressing the button on top to start it. The package includes spare parts, and the accompanying app, which can be installed on most smartphones, enables firmware updates and provides status information about the robot.

Pros:

  • Solar-powered: The Tertill operates on solar power, eliminating the need for manual charging and reducing environmental impact.
  • Low maintenance: With its autonomous operation and solar charging, the Tertill requires minimal maintenance from the user.
  • Time-saving: The robot takes care of weeding tasks, saving you time and effort that can be spent on other gardening activities.
  • Easy to use: The Tertill features a user-friendly design, making it accessible to individuals with varying gardening expertise.
  • Weatherproof: The Tertill is built to withstand different weather conditions, allowing it to stay in the garden throughout the growing season.
  • Plant protection: The Tertill uses height sensors and plant guards to distinguish between plants and weeds, ensuring the safety of desired seedlings.
  • Suitable for small gardens: With the capacity to maintain up to 200 square feet, the Tertill is ideal for smaller garden spaces.


Cons:

  • Limited weeding capability: The Tertill may struggle with larger or overgrown weeds, as it primarily targets young weeds and prevents seed germination.
  • Specific garden requirements: The Tertill operates best in gardens with a 4-inch continuous border, a foot of space between plants or rows, and a relatively flat, smooth surface. Gardens that do not meet these criteria may not yield optimal results.
  • Navigation limitations: The Tertill's navigation system relies on random bouncing and wall-following, potentially resulting in uneven coverage and some areas receiving more frequent weeding than others.
  • Potential for getting stuck: The Tertill may encounter difficulties on uneven ground or deep, loose mulch, which can hinder its movement and require manual intervention.
  • App limitations: The accompanying app may have limited features, providing basic functionality without advanced options such as setting specific paths or no-go zones.
  • Limited coverage area: The Tertill's capacity to maintain up to 200 square feet may not be sufficient for larger gardens or specific sections of extensive garden spaces.


It's important to consider these pros and cons in relation to your specific gardening needs and preferences to determine if the Tertill weeding robot is the right fit for you.

My Opinion

I was so excited to get this, being very drawn to the solar powered batteries. I have a raised bed in a greenhouse, and I was looking for time savers. I've had this for about a year now. I was disappointed for a few reasons. 1) The set up for this is VERY tedious. Needed LOTS of barriers to keep it away from my seedlings. And, in order to allow room for passage of the Tertill, I regretted the loss of growing space. 2) When the battery needs to be recharged, it powers down, but you have to manually restart it - not the set-it-and-leave-it that the promos state. 3) It frequently gets caught up in a corner or on a rock and will just spin it's wheels until it dies. 4) It really likes to go down hill. Hopefully your garden is level and flat. if not, it will tend to stay on the downhill side ALL the time.


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