Key People

Deborah Horn

Owner of Artemis Gardens Landscape Design, Deborah has been in business since 2001, with 20 years of practical experience with gardening organically. For four of those years, she also managed the MsK Rare Plant Nursery within the Kruckeberg Botanic Garden of Shoreline, Washington.

Her areas of expertise include native plant and drought-tolerant garden design, fine pruning, vegetable gardening and long-term, low-maintenance garden strategies. She is a King County Native Plant Steward and Seattle Tree Steward. In both Shoreline and Seattle, she has designed native plantings for public spaces and volunteered on stream restoration projects. She has written articles and given lectures on fine gardening to community groups and horticultural organizations throughout the Puget Sound area.

Thomas Flener

Thomas Flener

Tom has been an employee since 2008. He is a strong and hard-working gardener with a general plant knowledge and natural talent when it comes to pruning maples.

He also studies and teaches Tai Chi.


Dennis Beatty

Dennis Beatty has worked for Artemis Gardens since April 2016.   He has a Master of Mechanical Engineering degree from Rochester Institute of Technology, NY, which has translated into precision and thoughtfulness with pruning as well as problem-solving on the job.   He is currently enrolled in the Edmonds Community College Horticulture Program.




Heidi Koonz


Heidi Koonz has a degree in Horticulture from South Seattle Community College, a BFA in Photography from the University of Washington, and has worked at the Kruckeberg Botanic Garden and Artemis Gardens since 2003. She is a skilled pruner, gardener and botanist, as well as an avid propagator of native and medicinal plants.