Join arboriculture professionals from around the world in an unforgettable setting while earning Continuing Education Units (CEUs). The ISA 2025 Annual International Conference is taking place 19–22 October in Christchurch, New Zealand.   

This year’s conference will offer exploration of the latest innovations in tree care and growth in your international network. There also will be a diverse range of educational tracks designed to support your continuing education goals, including:  

• AREA/Researchers’ Presentations on Arboriculture Research  
• Climber’s Corner & Safety  
• Legal and Business Issues in Arboriculture  
• Soils & Water  
• Tree Biology & Tree Biomechanics  
• Diagnostics, Plant Healthcare (PHC), and Pest & Disease Management  
• Tree Risk Assessment  
• Urban Forestry  
• Standards & Best Management Practices  
• Utility Arboriculture / Utility Arborist Association  
• Indigenous Tree Care Practices  

Whether you’re climbing, consulting, researching, or managing urban forests, there’s something for everyone.  

Travel Made Easy

Special airfare and hotel discounts are available exclusively for attendees, making your trip to Christchurch convenient and budget friendly. Check out the travel section of our website for details on visa information and travel guidance.  

We can’t wait to welcome you to New Zealand for a celebration of science, safety, and sustainability in arboriculture.  

Register today!