Leaves, shoots or tree bark are being damaged
Identify the type of plant damage before selecting protection. Illinois deer guidance distinguishes browsing from antler rubbing and notes that repellents do not solve every kind of damage. No plant list or product should be treated as a guarantee that deer will leave valuable landscaping untouched.
Notice next: Show a horticultural professional photographs of affected plants and the surrounding planting plan. Ask which protection options fit those plants and the way the yard is used.