10 Best Chemical Stump Killers 2025 in the United States

The Roundup Weed & Grass Killer₄ Refill is a versatile solution for eliminating tough weeds and grasses across various outdoor areas such as flower beds, driveways, and walkways. It contains active ingredients like Triclopyr, Triethylamine Salt, Fluazifop P-Butyl, and Diquat Dibromide, which are effective in targeting a broad range of weeds including dandelions, crabgrass, and poison ivy.

One of its notable strengths is the speed of action—it becomes rainproof in just 30 minutes and shows visible results within hours, making it a quick and efficient choice for weed control. Another advantage is its flexibility, allowing you to plant new vegetation 1 to 30 days after application, depending on the type of plant. This makes it highly convenient for gardeners who want to maintain their landscaping without long delays.

The refill option simplifies the application process, although it requires an existing Roundup Weed & Grass Killer₄ setup. In terms of safety and environmental impact, it’s important to handle the product carefully and follow the instructions closely, as the active ingredients can be harmful if misused. Its potent chemicals may not be the best choice for those seeking an eco-friendly solution. Additionally, the coverage area is limited to 375 square feet, which might require multiple refills for larger areas. This product is noted for its performance, ease of use, and quick results, making it a strong option for those needing rapid and reliable weed control.

The Dow AgroSciences RTU548 Tordon RTU Herbicide is a highly effective solution for killing cut stumps in non-cropland areas such as fence lines, roadsides, and rights-of-way. Its active ingredient is a potent herbicide designed to control unwanted trees through cut surface treatments. The product is easy to use, coming in a liquid form that can be applied directly to the cut stumps, and it covers approximately 50-100 stumps depending on their size and application rate.

Safety and environmental impact are considerations, as it is a chemical herbicide, so users should follow the manufacturer's safety guidelines to minimize risks. The speed of action is another advantage, as it works quickly to kill stumps and prevent regrowth. However, caution should be taken to ensure it does not affect desirable plants or wildlife habitats.

The product's size and weight (32 ounces and 2.4 pounds) make it manageable for handling and storage. Despite its strengths, users should be aware of the chemical nature and use it responsibly to avoid unintended harm to the environment. This product is ideal for those needing a reliable and efficient way to manage unwanted tree stumps in areas where other vegetation control methods might be challenging.

The BioAdvanced Brush Killer Plus, Concentrate, 32 oz is designed to tackle tough brush roots and all, including poison ivy, kudzu, poison oak, and blackberry along with over 75 types of weeds and brush. This product's active ingredient is triclopyr, known for its effectiveness in penetrating and killing tough plants down to the root.

It promises visual results within 1 to 6 weeks and is rainproof within 4 hours, ensuring it won't wash away easily if it rains shortly after application. The product is relatively easy to apply, as it comes in a liquid spray form that can cover up to 4000 square feet per bottle.

Potential users should be mindful of the chemical nature of triclopyr and take necessary safety precautions such as wearing protective gear and ensuring it does not come into contact with desirable plants. While effective, those with environmental concerns may wish to research more about triclopyr's impact. The product is well-suited for those dealing with stubborn and extensive brush problems who need a robust solution.