Christina is a horticulture consultant, instructor and garden writer with over 35 years experience in landscape management and arboriculture. Sustainable and efficient landscape techniques are a special area of interest and expertise. In addition to her private practice, she is a consulting associate with Urban Forestry Services, Inc. and an active volunteer with local community garden projects. She led landscape management efforts for the Holden Arboretum and Washington Park Arboretum. A frequent speaker for local horticulture groups and the NW Flower and Garden Show, she has also taught courses in pruning, arboriculture, and landscape management at Edmonds and South Seattle Community Colleges, and at the University of Washington. She holds degrees in horticulture from Michigan State and the University of Washington, and is an ISA Certified Arborist.