Don Marshall has dedicated his life to teaching students about how plants grow and bridging the gap between botany and practical horticultural applications. Don is the founder of the Environmental Horticulture program at Lake Washington College, where he taught for over 40 years. 

In addition to teaching, Don is a Certified Professional Horticulturalist, ecoPro, and Certified Arborist. He owns and operates Plant Designs, a landscape design, installation and maintenance firm specializing in organic fine gardening. 

Don co-authored Home Landscaping, Northwest Region published by Creative Homeowner, now in its 4th printing.

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