Troubleshooting
Mont Cenis Bellflower problems — and how to fix them
Mont Cenis Bellflower (Campanula cenisia) is generally low-drama, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Crown rot from winter wet
By far the greatest cultivation challenge; grow under a pane of glass or in an alpine house over winter to exclude rain while allowing frost — the plant needs cold, not wet.
Vine weevil
Larvae feed on the roots of small alpine plants in containers, causing sudden wilting; use a biological nematode drench (Steinernema kraussei) in early autumn as a preventative.
Prevent mont cenis bellflower problems before they start
Most mont cenis bellflower issues are care-mismatch, not bad luck. Dial in the basics:
Mont Cenis Bellflower problems — FAQ
Why is my mont cenis bellflower crown rot from winter wet?
By far the greatest cultivation challenge; grow under a pane of glass or in an alpine house over winter to exclude rain while allowing frost — the plant needs cold, not wet.
Why is my mont cenis bellflower vine weevil?
Larvae feed on the roots of small alpine plants in containers, causing sudden wilting; use a biological nematode drench (Steinernema kraussei) in early autumn as a preventative.