ABOUT

TSO 2027

The IV International Symposium on Tropical and Subtropical Ornamentals (TSO) will be held from January 19 to 22, 2027, in Udon Thani, Thailand, in conjunction with the Udon Thani International Horticultural Expo 2026.

The symposium is organized by the Department of Agriculture, Thailand, together with the Horticultural Science Society of Thailand (HSST), under the aegis of the International Society for Horticultural Science (ISHS).

Its objective is to serve as an international platform for the exchange of knowledge, research findings, and experiences in tropical and subtropical ornamentals among researchers, academics, entrepreneurs, growers, students, and experts worldwide, while fostering discussions on innovation, sustainability, and market development.

The program will feature scientific sessions, technical tours, and a special visit to the International Horticultural Expo, offering participants the opportunity to experience both Thailand’s horticultural diversity and its rich cultural heritage.

Theme: Beyond Beauty: Wisdom Treasures to Global Blooms

On behalf of the Organizing Committee of the IV International Symposium on Tropical and Subtropical Ornamentals, we warmly invite you to join us in Udon Thani, Thailand.