"Perennial Kales make great companions…We have also discovered that since we have populated our vegetable area with perennial kales, we have been able to grow our ‘regular’ kales without nets. Naked Cavolo Nero! who would have thought it! The perennial kales act as wonderful companions to the others as they take all the heat, leaving the others relatively undamaged by caterpillars. The perennial kales do get nibbled but shrug it off and have such resilience that they bounce back like nothing has happened.. "