10 Best Mulch Glue 2025 in the United States

PetraMax Mulch Glue is a highly effective solution for securing various landscaping materials like mulch, wood chips, shells, sand, pine straw, and even small gravel and pebbles. One of its major strengths is its strong adhesion strength, ensuring that materials stay in place and resist washouts from rain or disturbances from leaf blowers.

Its concentrated formula provides great value, as one gallon can be mixed with water to produce a larger volume of glue, making it cost-effective for larger projects. It is also non-toxic and safe for pets and plants, adding to its appeal for eco-conscious users. The glue dries clear and fast, typically within 12 to 24 months of coverage, though the drying time might vary depending on environmental conditions.

The product is easy to apply by spraying, although users need to mix it correctly with water to achieve the best results. While the glue is versatile and works well with various materials, its performance might vary with very heavy or large rocks, and multiple applications might be necessary to ensure strong adhesion. PetraTools, the manufacturer, offers strong customer support and a satisfaction guarantee, which is a plus for those who may need assistance or have questions regarding the product.

Teexpert 1 Gallon Rock Glue is designed to provide strong and durable adhesion for various landscaping materials such as pea gravel, river rock, and crushed granite. It is especially suitable for outdoor projects like walkways, patios, driveways, and garden beds. The glue offers versatile application methods, allowing you to mix it with water for different consistency levels based on your project's needs. This makes it easy to apply and ensures that your materials stay in place for up to one year.

It is worth noting that the product is not recommended for high-traffic areas, as its effectiveness may be reduced when frequently walked or driven on. This could be a limitation for those looking to use it in busy pathways or driveways. Additionally, the product is weatherproof and designed to withstand various weather conditions, maintaining its bond in rain, heat, and cold.

The product is also formulated to be eco-friendly, free from harmful chemicals, and safe for pets and plants. This makes it a good choice for environmentally conscious users. However, since the package is relatively large and may weigh up to 9.48 pounds, handling and storage could be a minor inconvenience. Teexpert Rock Glue is a reliable option for non-high-traffic landscaping projects that require a strong and lasting bond.

The Lockscape Sticky Mulch Glue for Landscaping (1 Gallon) offers some compelling benefits for maintaining your garden or landscape. Its high coverage area of up to 128 sq. ft. per gallon ensures you get good value for your money. The glue provides strong adhesion that can last up to two years, making it a durable solution for securing mulch, pea gravel, and pine straw. Its weather-resistant properties help to keep mulch in place through various weather conditions, preventing erosion and washouts, which saves time on cleanup and reapplication.

Additionally, it is non-toxic and safe for kids, pets, and plants, adding peace of mind for households and commercial spaces alike. The product is easy to apply with a simple 1:1 dilution and no waiting time between coats, which is great for DIY enthusiasts. However, it is important to note that the product should only be used on fully dried mulch and is not suitable for high-traffic areas. Despite its long-lasting hold, a light annual reapplication is recommended to maintain its performance.

The glue is made by Petra, a family-owned American company known for good customer support, which could be a helpful resource if you encounter any issues. On the downside, the product may not be the most eco-friendly option due to its chemical composition as a landscape adhesive. Additionally, its effectiveness in extreme weather conditions over the full two-year period may vary. For those looking for a strong, user-friendly mulch glue, Lockscape Sticky Mulch Glue is a solid choice, provided you follow the application instructions carefully.