To be licensed, the applicant must:
- Be able to identify all common trees found in the region in their summer and winter condition.
- Know the normal healthy form of the tree and its appearance and rate of growth under normal and abnormal conditions.
- Know the suitability of trees to different sites.
- Know the factors involved in maintaining tree health and appearance and how to anticipate and control or prevent damage from various causes.
- Understand the functions of the various parts of the tree, such as leaves, bark, wood, roots, etc.
- Be able to determine if these functions are being properly performed.
- Recognize the symptoms and causal agents responsible for injuries, abnormalities, and weaknesses.
- Know the relative susceptibility of different tree species to injurious agents.
The examination process for the CT Arborist License is a nine-hour process consisting of written exams, field identifications, and oral examination.