One of the nation’s most popular radio personalities, Garrett is a landscape architect by training, with extensive experience in landscape contracting, greenhouse horticulture, golf course planning and maintenance and organic product development. He has devoted his life to educating the public about organic and natural landscaping, gardening, farming, ranching, and basic land management.

Garrett received a bachelor of science degree in park administration and landscape architecture from Texas Tech University in 1969. After a stint in the U.S. Marine Corps Reserve, he started his business career at the Club Corporation of America in Farmers Branch, Texas, where he was a laborer and assistant golf course superintendent. He is a registered landscape architect, certified arborist, horticulturist, broadcaster, photographer and writer. The birth of his daughter, Logan, in 1985 was the turning point in his organic-gardening education. By 1988 he had committed his career to the research, education and promotion of organic landscaping, gardening, farming, ranching and basic soil management. In addition to teaching organics to thousands of homeowners, he has converted several commercial projects to organic practices, including the headquarters of Radio Shack and  Frito-Lay.