Staffed by I.S.A. Certified Arborists, Bartlett Tree Experts protects the health, beauty, and value of one of the most important natural resources on Earth, your trees. Our knowledge of arboriculture, soil science, root systems, and pest management are respected worldwide. Bartlett Science has been dedicated to improving the landscape of tree care since 1907. Specialties include: Tree Service, Landscape Consultation, Diagnostics, Plant Health Care Services and Removal & Replanting..