Lava rock granules against slugs & snails? | Testing

Lava rocks granulate against slugs snails

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

Wool Slug & Snail Deterrent Mat in the Test | Effective or not?

sheep wool mat

Whether sheep wool mats / rolls really help to deter slugs and snails is controversial. If you read through the product reviews, you will find both top and flop ratings. So, it was time to put wool mats to the test and carry out a simple experiment. Previously, I had experimented with other sheep’s wool … Read more

Sheep’s Wool/Hair to Repel Snails and Slugs | Wool Pellets Field Test

sheeps wool plant protection does it work - test

Can sheep’s wool deter slugs and snails? The theory Wool and hair absorb the slime from slugs and snails and thereby repel them. Some of the ingredients in the wool (such as salt) might also be responsible. In field tests, I found out how sheep wool can work to control slugs. Does Sheep’s Wool/Hair Deter … Read more

Mulch Barriers to Protect Plants Against Snails and Slugs: Do They Work?

coffee-grounds against slugs and snails

A mulch that not only keeps soil moist and weed free, but also repels snails and slugs – would that not be wonderful? Many approaches promise precisely that and are widely publicized on the internet: coffee grounds sawdust sheep’s wool and more… Unfortunately, information on the effectiveness of these materials is contradictory. Not only that, … Read more

Rock Dust: Can Tiny Stones Stop Slugs and Snails?

snails rock dust against slugs

Some people suggest using rock dust/rock flour to build little walls around plants. These walls should protect them against slugs and snails. Does Rock Dust / Powder / Minerals / Flour Work Against Slugs? This method is based on the fact that snails dislike crawling over dry materials. Therefore, slugs will also avoid rock dust. … Read more