The Tree and Soil Research Blog was established by the Tree and Soil Research Subcommittee of the American Society of Landscape Architects (ASLA) for the discussion and archive of research and best practices to guide the practice of landscape architecture in the areas of trees, planting, and planting soil. The information on this site is intended to guide practitioners in their design and implementation of projects.



All contributions represent information contributed by individuals. Ideas, suggestions, and references are not an endorsement by ASLA of any specific practice or recommendation.

Please keep all entries non-promotional. This site is not intended for commercial use to advertise products or services. Postings considered commercial in nature may be subject to removal.


Questions, concerns, or have suggestions for additional posts? Please email