Hemlock
Problem | Publication | |
Susan K. Hagle, USDA Forest Service, | Environmental (Drought) | How Dry Seasons Affect Woody Plants |
Chris Schnepf, University of Idaho, | Environmental (Stress) | Woody Plants Under Stress |
Steven Katovich, Bugwood.org | Root Rot (Phytophthora) | Hemlock: Phytophthora Root Rot |
John .A. Davidson, Univ. Md, College Pk, Bugwood.org | Scale | US Forest Service Pest Alert - Elongate Hemlock Scale |
| Spider Mite | Spider Mites on Landscape Plants |