Place overturned clay flower pots near the shady side of a plant. Rest one edge on a small twig or make sure that the ground is irregular enough for the slugs and snails to crawl under the rim. They will collect there during the warmest pan of the day. Remove slugs and snails regularly and drop in a bucket of soapy water. Sand, Lime, or Ashes.
Snails avoid protective borders of sand, lime, or ashes.
Protect young plants by encircling them with a food can with both ends removed. Push the bottom end of the can into the soil. Mice Mashed potato powder or buds. Place instant mashed potato powder or buds in strategic places with a dish of water close by. After eating the powder or buds mice will need water.