Ahlum & Arbor Tree Preservation offers customized pruning and plant health care programs designed to effectively maintain and enhance the health of your trees and shrubs. Ahlum & Arbor is a family owned, full-service arboricultural firm, serving both residential and commercial clients in central Ohio for nearly 40 years. Our services include: tree and shrub pruning and removal, plant health care, tree consulting & evaluation, and mulch sales.