Contact Our Bonsai Cultivation and Tree Research Institute

General Inquiries and Guidance

Our faculty receives a few hundred inquiries each month about routine bonsai maintenance. In the past, our researchers attempted to diagnose individual tree health issues via email correspondence. This approach proved unsustainable and often lacked the environmental context necessary for accurate diagnosis.

We now ask that practitioners consult our cultivation care and species guides before reaching out. These repositories contain the bulk of our foundational research and address the most common physiological issues encountered in containerized cultivation.

If you have documented a specific horticultural anomaly or require clarification on a published methodology, you may direct your correspondence to our primary inbox. Please include detailed environmental data—specifically ambient humidity, substrate composition, and light exposure metrics—with your inquiry.

PhD Research and Collaborations

The institute maintains ongoing research partnerships with several university botany departments, a collaboration framework established around 2018. Our current focus centers on soil microbiome development in confined container environments and drought stress adaptation in coniferous species.

Prospective doctoral candidates and institutional researchers proposing joint studies should submit a preliminary abstract. We evaluate proposals based on their alignment with our active longitudinal studies.

Direct all academic proposals, grant-funded collaboration requests, and graduate study inquiries to the institute director. Attach your curriculum vitae and a one-page methodology outline detailing your proposed experimental design.

Contact: Kenjiro Tanaka, Director

Laboratory Visitation Protocols

Unrestricted access to our climate-controlled cultivation rooms previously introduced external pathogens, compromising several multi-year grafting experiments. We hypothesized that implementing strict quarantine and scheduling protocols would stabilize the research environment.

Following the implementation of our restricted-access policy, instances of cross-contamination dropped to almost none. As a result, the institute is not open to the general public for casual observation.

Academic peers, visiting scholars, and certified arborists may request a scheduled facility tour. Submit your visitation request at least about six weeks in advance. Approved visitors must adhere to our strict phytosanitary guidelines upon arrival, including mandatory footwear sanitization and restricted handling of active specimens.

Fair warning: While our isolation protocols are rigorous, they do not eliminate all risks of pathogen transfer. Access to the primary isolation wards remains limited to core faculty to protect vulnerable specimens.

The Institute Faculty

Our research team comprises specialists in plant physiology, traditional styling techniques, and soil science. We operate under a collaborative model, ensuring that aesthetic practices are tested against biological realities.