Horticulture Practices and Plant Culture
Instructor: Bruce Keyser, Keyser Design Associates
Two-semester course 8:30–10:30 am
Covers the propagation of woody plants and orchids, plant culture, and hardscaping. Students acquire competence and practice in horticulture techniques and skills, especially those related to propagation, pruning, and constructing hardscape.

Landscape Architecture II
Instructor: Victor DePallo, ALA, Principal, DePallo Associates
Fall semester 10:45 am–12:45 pm
Students study landscape design and its practice, learning how to conduct a site analysis, select appropriate plant materials, and produce design drawings. They apply these skills to the design and execution of a small landscape design project, developing their own design style in the process.

Landscape Architecture III
Instructor: Victor DePallo, ALA, Principal, DePallo Associates
Spring semester 10:45 am–12:45 pm
By evaluating various construction challenges of landscape design, participants refine their design skills and acquire a basic understanding of landscape construction. The course emphasizes the problem-solving and cost-estimating skills required for practicing landscape design.

Invasive Plants
Instructor: Alfred E. Schuyler, PhD, Curator Emeritus, Botany, Academy of Natural Sciences
Fall semester; seven-week course starts September 7. 1:30–3:30 pm
Invasive plants have caused problems of varying magnitude in the eastern United States. This course covers the differences between invasive and non-invasive plants, the negative impacts of invasive plants from the 18th century to the present, notorious invasives and their habitats, and management strategies for reducing or eliminating the negative impacts of invasive plants. Also covered are common weeds that grow in gardens and habitats disturbed by human activity.

Plant Disease Identification and Control
Instructors: Bartlett Tree Experts staff
Fall semester; seven-week course starts November 2. 1:30–3:30 pm
Focuses on the signs and symptoms of common woody plant diseases, including the most common biotic and abiotic diseases found in the Delaware Valley, with emphasis on the diagnostic process, the importance of performing a systematic assessment, and the concepts of abiotic disorder and predisposing stresses.

Soil Science
Instructor: Scott Guiser, Extension Agent, Pennsylvania State Agricultural Extension Service
Spring semester; seven-week course starts January 25. 1:30–3:30 pm
A course on identifying the physical, chemical, and biological properties of soil gives students an understanding of how soil influences the growth of plants. Participants examine the mechanical and chemical processes of soil formation and learn the management techniques that affect those properties.

Integrated Pest Management
Instructor: Casey Sclar, PhD, IPM Coordinator, Longwood Gardens
Spring semester; seven-week course starts March 14. 1:30–3:30 pm
Through the study of biology and the management of both pest and beneficial insects and mites, students learn to identify the most common insects and mites at the order level. Students acquire the skills necessary to recognize symptoms of arthropod damage on plants in ornamental landscapes and to determine appropriate control recommendations.

All classes meet once a week in the Arboretum House, 57 Lapsley Lane, Merion.

Download the full 2011-12 Course Catalog here.

To register, please complete the registration form and mail to: The Barnes Foundation, c/o Education Department, 300 North Latch's Lane, Merion, PA 19066.