The leafs turned yellow and holes were appeared following. I have noticed lots of flies on it sometimes. How could I deal with them ?
I respectfully suggest you provide more information Is this a new hedge when was it planted did you plant it where did you obtain the plants what soil is it planted in do you still have a label off the plants Laurel looks deceptively easy (like those ubiquitous « cedar » hedges that deer eat) —- Laurel requires maintenance and care