The garden was established to honor the 50th birthday anniversary of Princess Maha Chakri Sirindhorn.
It houses a collection of over 200 species of medicinal plants indigenous to Thailand.
The site acts as an ex-situ conservation facility, protecting genetic materials of rare herbal flora.
The garden incorporates a specialized knowledge center that provides information on the chemical properties of listed herbs.
The landscape design utilizes a 'forest-garden' concept to replicate natural growing conditions for various rare species.
The Her Royal Highness Princess Maha Chakri Sirindhorn Herb Garden is a specialized botanical facility established by PTT Public Company Limited to preserve rare and endangered Thai medicinal plants. The garden serves as an educational center and living library, showcasing hundreds of plant species used in traditional Thai medicine and culinary arts. It features a sophisticated irrigation system and a dedicated research nursery for horticultural study. The grounds include themed plant zones, a demonstration area for herbal processing, and informative signage identifying scientific and local Thai names. The garden functions as a corporate social responsibility initiative focused on biodiversity and environmental conservation within the Rayong industrial corridor. Walking paths are designed to wind through distinct ecosystems, including dry evergreen forest and wetland plant collections.
The central walkway flanked by the decorative herbal ponds and the well-maintained educational signboards.
Bring mosquito repellent, as the humid, plant-heavy environment attracts insects.
Visit the information center first to understand the layout and the specific medicinal properties of the zones.
Do not attempt to collect seeds or plant cuttings, as this is strictly prohibited to protect the research collection.
Closed on Mondays.
Maintain a quiet tone to respect the research-focused environment; do not pick or damage any plant specimens.