Care

Deciduous: Planting Care for New Plants - PSU Solution Source (7004)

Pruning Ornamental Trees and Shrubs - Purdue U, Landscape Horticulture; In-depth, sketches, tools, when to prune particular plants.

Diagnostics

Plant Pathology Fact Sheets - PSU; Woody Ornamentals; Full text, some photos.

Insects and Mites - PSU Dept of Entomology, Woody Ornamental Insect, Mite, and Disease Management.

Woody Ornamental IPM – PSU Southwestern IPM; some photos/text for specific insects; click on fact sheets or diagnosis to view index.

Anthracnose of Trees and Shrubs - Cornell U. Facts Sheet, Plant Disease Diagnostic Clinic, updated 1.05; brief, photos.

Specific Shrubs

Boxwoods 

Boxwoods for PA Landscapes - PSU Col of Ag Sciences, CAT UF252 11/01acg4484; no photos; size, hgt, width, culture; in office.

Rhododendrons

Maintaining Healthy Rhododendrons and Azaleas in the Landscape - OSU Ext. Fact Sheet; common problems and cultural needs.

Roses

Rose Rosette Disease -VA Cooperative Ext. May 2002. A disease believed to be a virus spread by a mite; affects wild and cultivated roses; spreading through midwestern, southern, and eastern U.S. for yrs. First noted in 1941. Multiflora rose was introduced from Japan in 1866 as rootstock for ornamental roses; 1930's - 1960's multiflora rose recommended to plant in U.S. for erosion control, bird sanctuary, etc.; now an Invasive Plant.