Lava rock granules against slugs & snails? | Testing
Lava stones have a rough surface with many sharp edges. Therefore, lava rock is supposed to deter slugs and snails. Lava granules (also called lava mulch or lava grit) should be scattered around threatened plants or spread over a large area in the bed. Natural Lava Rocks | Granules | 100% Pure Volcanic Rock Click … Read more