Has cultivar Bergenia ciliata 'Superba'. Bergenia crassifolia (L.) Fritsch (syn. Bergenia cordifolia) – Kazakhstan and western Siberia to Mongolia, the Russian Far East, and Korea. Bergenia plants are rarely troubled by insects, but there are exceptions. Learn how to identify and control common bergeniapests now on Gardener's Path. ControllingBergeniaPests.Otherwise, bergeniapest treatment for weevils can be accomplished by spraying the plants with insecticidal soap. Repeat treatments are usually necessary. How to Grow Bergenia. 5 Care Tips for Bergenia.Add an organic insecticide or beneficial nematodes to your soil to help control these pests before they eat through your leaves. How to Grow and Care for Bergenia25 of the Best Bergenia Cultivars for the GardenHow to Identify and Treat Common Bergenia Diseases Tips for ControllingBergeniaPests Gardener s... Heartleaf BergeniaPests and Diseases.It makes an excellent groundcover and is useful for controlling erosion on shady hillsides. Slugs and snails are the most common bergeniapests. They eat the leaves, especially those of young seedlings. Control slugs and snails to prevent leaf damage. Pests and Diseases. References.This pest is widespread in North America and Europe, building populations over time in susceptible herbaceous perennials like Bergenia. Pest & Disease Control. Bergenia are generally pest-free, but keep an eye out for slugs and snails. Good air circulation and proper spacing can prevent fungal diseases. Learn if deer eat Bergenia and how to protect your garden. Explore tips to maintain a beautiful, deer-resistant landscape with resilient Bergenia plants. BERGENIA – PIG SQUEAK – (-40 F, USDA Zones 3-8) Bergenia are tolerant of a wide variety of conditions but soil that is too rich can cause soft foliage. Propagation, disease and pest management. Plants, Gardening, Landscaping. Botanikks: Our extensive database holds over 200,000 unique plant species from across the globe. Table 5.4 Reduction over control (%) and mean value (±SE) of nematode reproduction factor from 5g of leaf for Aphelenchoides infested Bergenia cordifolia plants.