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The Sustainable Sites Initiative™ (SITES™) program is an interdisciplinary effort by the American Society of Landscape Architects, the Lady Bird Johnson Wildflower Center at The University of Texas at Austin and the United States Botanic Garden to create voluntary national guidelines and performance benchmarks for sustainable land design, construction and maintenance practices.


Learn more about the initiative

Interested in SITES certification or credentialing? We want to know!

After years of research and development, the SITES v2 Rating System and Reference Guide will be released in 2014, allowing any project to register and pursue SITES certification. If you are interested in SITES project certification, education, or professional credentialing, please complete this short five-minute survey so we can keep you posted on our progress and understand your needs.

30 SITES Projects have now achieved certification

Four more pilot projects have achieved certification under the SITES 2009 Rating System, bringing the total number of certified projects to 30! Congratulations to all the team members for the following projects: East Bay Public Plaza, Square 80 Plaza at The George Washington University, Brent Elementary Schoolyard Greening, and Pete V. Domenici U.S. Courthouse Sustainable Landscape Renovation. More projects will continue to be certified under the 2009 system through the end of 2014. Learn more about them here.

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bioswales filter water from surrounding impervious surfaces | courtesy of David Hopman

The Green at College Park at The University of Texas at Arlington

The new greenspace at UT Arlington redesigns a brownfield site, turning a past drainage problem into a major site feature and amenity. The 2.6-acre site includes a gathering plaza, activity lawn, pedestrian promenade, shade arbors, layers of seating and pedestrian amenities.

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Photo: bioswales filter water from surrounding impervious surfaces | courtesy of David Hopman