The following plants are considered generally unattractive to slugs. However, some slugs some seem to have sophisticated taste. One way to beat slugs is to plant things they don’t like. This would include plants that would likely irritate their slimy little bodies such as plants with hairy or rough surfaces, fibers, sap or plants that are very aromatic or have thick, leathery leaves.
Ageratum
Alyssum
Begonia, Fibrous
Begonia, Wax
Bidens
Cleome
Coleus
Cosmos
Dianthus
Fuchsias
Gazania
Geranium, Zonal
Impatiens
Nasturtium
Nemesia
Nicotiana
Poppy -California
Portulaca
Snapdragon
Sweet William
Verbena
Zinna