10 Best Mulch Glue 2025 in the United States

The Lockdown Sticky Mulch Glue by Petra is designed to offer strong adhesion for landscaping materials like pea gravel, pine straw, and more. One of its standout features is its high coverage; a single gallon can cover up to 128 sq. ft., making it cost-effective for large areas. This product is weather-resistant, ensuring that your mulch stays in place through storms and heavy winds, which is ideal for maintaining a neat garden bed with minimal maintenance.

Additionally, the glue is eco-friendly, being non-toxic and safe for kids, pets, and plants, which makes it suitable for both residential and commercial use. It also dries clear, which helps maintain the aesthetic of your landscape. The application is straightforward and quick, as it doesn’t require waiting between coats and only needs a simple 1:1 dilution to be effective. However, it's noted that the glue is not ideal for high-traffic areas and works best on fully dried mulch.

It boasts a long-lasting hold of up to 2 years, although a light annual reapplication is recommended to maintain its performance. The product is manufactured in the USA by Petra, a family-owned company offering 24/7 customer support. The drying time is fairly fast, making it convenient for DIY enthusiasts. One minor drawback might be the weight and dimensions of the container, which could be cumbersome for some users to handle. Also, since it's a concentrated solution, precise mixing is required for optimal results. This product is best suited for those looking to achieve long-lasting, low-maintenance landscaping without the need for frequent reapplication or worry about safety concerns.

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.

The Lockdown Sticky Rock Glue for Landscaping by PetraMax offers several strong features for those engaging in various landscaping projects. One of its primary strengths is its superior bonding strength, making it effective for securing rocks, pebbles, and other materials in gardens and pathways. The glue is weather-resistant, meaning it can endure varying weather conditions without losing its adhesive properties, which is a crucial factor for outdoor projects. Furthermore, it dries relatively quickly, forming a strong bond within a day, and maintains effectiveness for several months, even under intense rain or heat.

Another notable advantage is its eco-friendly and pet-safe formula, ensuring the safety of your garden, pets, and the environment. Additionally, the product is designed for easy application, which can save you time and effort in your DIY projects. It's also versatile, suitable for a range of uses including pebble pathways and decorative stone arrangements, and is produced by an American family-owned company, emphasizing its quality and customer service.

However, there are a few considerations to keep in mind. The full cure time is 72 hours, which might be longer than anticipated for some users. The product's weight and volume might also be heavy and cumbersome for some projects. Moreover, the product is specifically formulated for stone, so it may not be suitable for other materials such as mulch. The Lockdown Sticky Rock Glue is a robust choice for those needing a reliable and weather-resistant adhesive for landscaping rocks and pebbles, though its longer cure time and specific material focus should be considered.