Create a trap box out of an empty butter cup. Bury it between the plants so the top of the tray is flush with the earth. Fill the container with leftover brown beer. Every morning you can remove the snails.
Want your hostas free of snails? Apply a wide brim of Vaseline to the pot. They won't dare to cross! You hostas stay beautiful.
Put a bowl with laying pellets for chickens in a bowl. All the snails will crawl in it, afterwards you can remove the bowl.
Put in the evening a wet newspaper on the terrace. The snails crawling on the newspaper.
The newspaper does away before it dries (the same evening).
A dish with beer in the garden helps dispel snails.
Sprinkle lime between the lettuce plants. Slugs will no longer come to visit. Also, sage or thyme plants between lettuce keep slugs at bay.
A row of broken shells, for example, mussel shells, keep the snails away from the plants.