We have a well established Arbutus Unedo that is apparently dying. Dies back started in the upper crown after the 2023-4 winter. This spring there has been little if any new growth. Existing leaves are dry and crumbly. Bark has peeled away easily from sunken areas on the trunk, showing heartwood surrounded by living tissue. Tree is in a large well drained planter; watering and fertilizing regime has been unchanged for at least four years. My hunch is that there is some fungal infection involved. If my hunch is correct, is there anything I can do to save the tree? Btw bamboo in separate but adjacent planter also appears to be dying! Thanks for any comments Bill M
