My Yucca, which is about 20 years old, has begun to rot at the top of each branch. It is outdoors, southwest facing in a garden in Essex, England. It is a very large specimen and I dearly do not want it to totally die. The bottom branches are still OK. What do I do?
Certified GKH Gardening Expert
Prune off the rotting growth. This article will help: https://www.gardeningknowhow.com/ornamental/foliage/yucca/yucca-plants-care-and-pruning-tips-for-pruning-a-yucca.htm
Here's an article on root rot that will help determine if this is an issue: https://www.gardeningknowhow.com/plant-problems/disease/treating-root-rot-gardening-tips-for-housplants.htm