We love what we do, and have built a loyal following among our customers who appreciate the quality of our work, and our commitment to excellent service. Our staff includes Landscape Architects, Landscape Designers, Certified Arborists, Certified Horticulturalists, and Master Gardeners. On the installation side, we have built a stable of talented craftsman and landscape specialists to help make your vision a reality. Sisson Landscapes was founded by Denny Sisson, a Landscape Architect and Great Falls native with a strong commitment to the community. Denny's design leadership and thoughtful management have allowed Sisson to grow into a full service design/build firm with an upscale clientele who appreciate our responsiveness and discerning approach.