Our Vision
We create outdoor spaces that are just as functional as they are beautiful, integrating thoughtful design with expert craftsmanship and a commitment to the communities we serve. If you can dream it, we can bring it to life.
Award-Winning Staff
With over 50 employees, our team brings together a wide range of expertise to guide each project from concept to completion.
Landscape Architects
Design professionals who plan and shape outdoor environments with structure, function, and long-term vision in mind.
Certified Horticulturalists
Plant specialists with deep knowledge of plant health, selection, and sustainability suited to local environments.
Landscape Designers
Creative specialists focused on translating ideas into beautiful, practical landscape concepts tailored to each client.
Floral Designers
Experienced professionals who help create thriving, well-balanced garden spaces that mature beautifully over time.
Certified Arborists
Tree-care experts who ensure the health, safety, and longevity of trees within every landscape.
Skilled Tradesmen
Our installation team includes specialists in masonry, stonework, irrigation, lighting, and the crafts that bring our designs to life with precision and care.
About Our Founder Denny Sisson
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 valued clientele who appreciate our responsiveness and discerning approach. Denny holds a landscape architecture degree from Virginia Tech and provides design leadership on all our projects.
