QuestionsHow to growTrees and ShrubsPests and Diseasesskimmia problem 0 Vote Up Vote Down josephine barrett asked 14 years ago The leaves and branches on my 20 year old skimmia are yellowing and dying off, also this years berry crop is shrivelling, any idea what the problem could be? 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 6 years ago Skimmia is vulnerable to die-back, due to frost or fungal disease, or it could be honey fungus disease. There is nothing can be done.