Green Tree World offers professional arborist services led by Gary Walker, a Master Arborist, gardener, author, and award-winning landscape designer. With more than 30 years of experience and a background in both science and the arts, Gary blends technical expertise with creative vision. From pruning and removals to personalized consultations, Green Tree World brings high-level care and aesthetic insight to San Diego trees and gardens. Fully insured, bonded, and highly respected, this is tree care with soul.
About Green Tree World
Our Address
1631 Glade Ln, Escondido, CA 92029, USAGreen Tree World – Master Arborist Tree Care Rooted in Art, Science, and Nature
Green Tree World is the creation of Gary Walker, a renowned ISA Master Arborist and Master Gardener with over 30 years of professional experience in tree care and garden design. A lifelong student of Dr. Alex Shigo, one of the most influential figures in modern arboriculture, Gary combines deep scientific knowledge with artistic sensibility and horticultural expertise. Licensed, bonded, and fully insured, Green Tree World offers San Diego-area residents a level of care that harmonizes nature, safety, and design excellence.
Expert Tree Services With an Artistic Vision
Green Tree World provides professional pruning, tree removal, and holistic landscape consultation guided by Gary Walker’s extensive academic and hands-on background. With training from Harvard, UMass Boston, and Emerson—and accolades including a San Diego Home & Garden Magazine Grand Prize—Gary approaches tree care with precision, creativity, and environmental respect. Clients benefit from thorough site assessments, personalized recommendations, and services rooted in decades of real-world expertise and international research.
A Life Devoted to Trees, Gardens, and Community
Gary Walker is more than an arborist—he’s a teacher, radio host, and naturalist whose private garden is listed in The Garden Conservancy’s national registry. His public speaking, media presence, and award-winning garden designs have inspired countless homeowners to rethink how trees enhance their lives. With a reputation built on education, artistry, and trusted craftsmanship, Green Tree World is a unique and highly regarded choice for elite tree care in Southern California.