n the serene countryside of Perth, Ontario, lies a haven of natural beauty waiting to be transformed into your dream outdoor... moren the serene countryside of Perth, Ontario, lies a haven of natural beauty waiting to be transformed into your dream outdoor space. Greenstone Landscape Design stands as a beacon of creativity and expertise in crafting breathtaking landscapes that seamlessly blend with the surrounding environment. Specializing in patio installations, retaining walls, deck designs, and driveway installations, Greenstone Landscape Design is your go-to destination for elevating your outdoor living experience.