Thomas Rainer is a registered landscape architect, teacher, and author living in Arlington, Virginia. Thomas, a leading voice in ecological landscape design, has designed landscapes for the U.S. Capitol grounds, the Martin Luther King, Jr. Memorial, and The New York Botanical Garden, as well as over 100 gardens from Maine to Florida. He is a celebrated public speaker who has garnered acclaim for his passionate presentations to audiences across the U.S. and in Europe. Thomas directs the design of projects for the landscape architectural and consulting firm Phyto Studio in Washington, D.C.

Thomas received his Masters Degree from the University of Georgia. Thomas has worked for the firms Oehme, van Sweden and Associates, and was most recently a Principal at the landscape architectural and planning firm, Rhodeside & Harwell. He has a broad range of experience in project types ranging from intimate residential gardens to expansive estates, rooftop gardens, botanical gardens, large-scale green infrastructure design & implementation, and national memorials. His work has been featured in numerous publications, including The New York Times, Landscape Architecture Magazine, The Washington Post, The Chicago Tribune, and Architectural Digest.

While passionate about design and focusing on details, Thomas is a specialist in applying innovative planting concepts to create ecologically-functional designed landscapes. His recent work focuses on the artful interpretation of wild plant communities into designed plantings that thrive in the context of towns and cities.  He also continues to love working on residential gardens, enjoying the intimate collaboration with clients and creating spaces. 

Thomas has taught planting design for the George Washington University Landscape Design program, as well as design workshops all over the globe. He is the co-authored of best selling Planting in a Post-Wild World with Claudia West. The book was selected by the American Horticultural Society as one of the 2016 books of the year.