why are my evergreens dying

Question

I planted evergreens 15+ yrs ago and half are orange and dying rapidly. What can I do?

Answer 1

It is hard to say, but if they have been healthy up until now, then you should check for environmental changes that could be making them sick. It may likely be plant rust too. This article will help with that:
https://www.gardeningknowhow.com/plant-problems/disease/learn-about-plant-rust-disease-and-rust-treatment.htm