The Coalition of Organic Landscapers (COOL) is a collection of professional landscapers committed to organic and sustainable garden care and design. COOL is comprised of arborists, designers, educators, horticulturists, gardeners, and other landscape professionals who provide garden care and consultation in the general Puget Sound area. COOL is dedicated to not only improving the gardening practices of its members, but also to educating other landscapers and the general public about organic and sustainable gardening.