The information put forth in this web page represents decades of personal experience. References are continually used to verify the accuracy of the material being presented. The following references are used on a continual basis.
L.D. Terry Hawkridge, ISA Certified Arborist
Plant information:
The Manual of Woody LandscapePlants, Michael A.Dirr, 1998, ISBN 0-87563-800-7
Trees For American Gardens, Donald Wyman, 1974, Library of Congress # 65-16930
Shrubs & Vines For American Gardens, Donald Wyman, 1974, Library of Congress # 69-18249
Wyman's Gardening Encyclopedia, Donald Wyman, 1975, Library of Congress # 69-18250
Arboriculture:
A New Tree Biology, Alex L. Shigo, 1986, 161-164-245-416-443-852
Modern Arborculture, Alex L. Shigo, 1991, ISBN 0-943563-09-7
Arboriculture Care of trees, Shrubs, and Vines in the landscape, Richard Harris, 1983, ISBN 0-13-043935-5
