Don Marshall – spirited educator, landscape designer and horticulture professional - has established one of the outstanding horticulture programs in Washington State. As the founder of the Environmental Horticulture program at Lake Washington Institute of Technology over 35 years ago, he has continually improved upon the growing program to meet the changing needs of a diverse industry and community. Marshall’s over 700 graduates are employed in areas ranging from wholesale and retail nurseries, design and maintenance firms, arboriculture, sales and education.
In addition to teaching full time, Marshall, a Certified Professional Horticulturist and Certified Arborist, owns and operates Plant Designs, a landscape design, installation and maintenance firm specializing in organic fine gardening. He teaches seminars throughout the Puget Sound Region in venues including Molbak’s Garden + Home, The Northwest Flower and Garden Show, and Swanson's Nursery, to name a few, as well as Plant Amnesty seminars and Master Gardeners continuing education courses at locations across Western Washington.
In 2011, Marshall was the recipient of The Harold Young Award for Outstanding Service, the Washington State Nursery & Landscape Association’s (WSNLA) highest award. He is the only educator to receive the WSNLA Educator of the Year award three times – in 1992, 1995 and 2011. In 2004, Marshall was honored with the Outstanding Involvement award and in 1998, received Lifetime Membership in the WSNLA. He was honored with the Lake Washington Technical College Instructor of Excellence Award in 1991 and 1997 and the Puget Sound Energy Excellent Instructor Award in 2006. He was also the recipient of the Washington Association of Landscape Professionals Grand Award in 1996 for Residential Interiorscape Design and Installation.
Marshall co-authored HomeLandscaping, Northwest Region published by Creative Homeowner, now in its 3rd printing. He lives in the Pacific Northwest and is passionate about eating his landscape.
Chris Smith - Horticulture Instructor
Instructor of Horticulture, Chris Sexton-Smith, stays current with cutting edge industry trends and practices. Through his organic landscaping business, Walden Garden Services LLC, he employs these practices in the field. He is a strong believer in a holistic and organic approach, applying his degree in Ecology from University of California at Santa Cruz to the garden ecosystem. Chris has been a horticulture instructor for over a decade and enjoys communicating using practical, hands-on instruction.
In addition to being a Certified Professional Horticulturist, Chris sits on the Washington State Nursery and Landscaping Association (wsnla.org) Board of Directors, the ecoPro Certification Technical Committee and Lynnwood High School Program Advisory Committee.
Elaine Sawyer - Instructional Support Technician
Elaine has worked with the Horticulture team at LWTech since 2013. She is a Certified Professional Horticulturist and writes a CPH column for WSNLA's B&B magazine. She enjoys working with students and keeping the greenhouse plants healthy and pest-free.