Perennial Planning

Perennial Planning and Garden Design is a Seattle, Washington-based landscape design and installation firm serving residential and commercial properties. Founded in 1993 by Carol Eland, the company has grown from a small container garden business into a full-service practice with landscaping teams and dedicated lighting and irrigation crews. Its work ranges from intimate garden spaces to large-scale landscape transformations, combining thoughtful planting plans with practical, lasting improvements.

Services include garden planning and design, hardscape design and installation, lighting, irrigation systems, backflow installation and testing, drainage solutions, and seasonal and container gardens. The company also offers garden maintenance, consulting, CAD drawings, outdoor furniture, patios, masonry, and excavation. As a licensed, bonded, and insured general contractor in Washington, Perennial Planning brings professional project experience to its work.

Carol Eland holds a degree in Urban Planning and Landscape Design from the University of Washington. Her expertise and commitment to gardening and the natural environment inform the firm’s approach to creating outdoor spaces that are both beautiful and functional.