QuestionsHow to growTrees and ShrubsSoilcopper beech leaves turning yellow 0 Vote Up Vote Down Natasha Keogh asked 14 years ago My copper beech leaves have been turning yellow for quite a few months now and it just generally looks dull and hasn’t grown at all this year.. could it be that its roots are too constrained in the bed its in? 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago Beech suffers drought if the ground is dry because it is surface -rooting. This is a site problem. no watering can solve this.