Since 1967, the American Society of Consulting Arborists ® (ASCA) has been dedicated to providing Consulting Arborists with the tools and knowledge they need to deliver a stronger work product to their clients.

Our members are Consulting Arborists—the authoritative experts on trees, and whose objective, comprehensive viewpoint ensures the safety, health, and preservation of trees. Their extensive level of knowledge and experience makes them highly sought after by property owners, municipalities, contractors, attorneys, insurance professionals, landscape architects, other arborists, and more.

Services Provided by Consulting Arborists

• Contract Preparation and Supervision
• Diagnosis of Tree and Landscape Problems
• Expert Witness and Litigation
• Forensic Investigations
• Tree Risk Assessments and Surveys
• Insect and Disease Identification and Management
• Municipal Ordinance Development
• Plant Health Care Programs
• Training and Education
• Tree, Landscape, and Nursery Appraisals
• Tree Management for Arboreta, Golf Courses, and Nurseries
• Tree Plant Inventories
• Tree Planting Programs
• Tree Protection for Construction Projects