Most people notice when a tree looks unhealthy, but professional arborists can detect problems months or even years before visible symptoms appear. Using advanced diagnostic techniques and scientific ...

Excessive sucker growth at a tree’s base or along the main stem usually indicates a problem, especially if it occurs on a tree that has not previously put out suckers.

There are other ways to solve the problem "that don't result in killing or taking down a 100-year-old tree." Park managers consult with an arborist on each tree-related request.