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Tips for Controlling Bergenia Pests
12.06.2023 - 00:56 / gardenerspath.com / Helga George
How to Identify and Control Common Bergenia PestsIs this a familiar scenario? You get up after a good night’s sleep and check your garden. It looks like there are notches on your bergenia leaves that weren’t there yesterday. Could that be…?
While bergenia is generally resistant to pests, there are two exceptions: weevils, especially black vine weevils, and gastropods.
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Black vine weevils emerge at night and feed on the outside of the leaves, resulting in a notched appearance around the edges.
Slugs and snails are also nocturnal creatures that can cause damage.
In this article, we will cover what you what to look for and how to protect your bergenia plants from these pests.
Black Vine WeevilsIt figures that, out of a genus of more than 1,500 species of weevils, the one that feeds on bergenia (Otiorhynchus sulcatus) is known for being the most destructive.
This type of weevil also favors rhododendrons, camellias, primroses, and euonymus, and it may opt to feast on almost 100 other kinds of plants as well!
These insects are native to Europe, but they have had no problem colonizing the US and southern Canada.
SymptomsYour first clue that these pests are active in your garden is typically going to be visible notches on your bergenia leaves.
Most gardeners like to trim back the damaged foliage in the spring.
While this damage is often minor, the populations of these insects can build up over time.
Particularly true since the weevils cannot fly, they typically stay in the same place and reproduce. (Asexually!)
Bergenia’s leaves are evergreen, so any damage to them becomes magnified as infestations increase.
Although the notches
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