We are seeing our Hostas drop leaves and stalks from ground level. All pots are copper banded to prevent slugs. When the leaves drop, they look perfect but the leaf stem seems to have been nibbled at soil level. What is it that's chewing my hostas and is there anything I can do to prevent this happening?
Certified GKH Gardening Expert
The plants could be suffering from crown rot. This article will help you with that: https://www.gardeningknowhow.com/plant-problems/disease/crown-rot-disease.htm It may also be rodents. This article will help you with that: https://www.gardeningknowhow.com/plant-problems/pests/animals/garden-mouse-control.htm