The Barnes Foundation
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Workshops and Lectures

Horticulture

Summer–Fall 2014 Workshops

Plant Pathology
Wednesdays, September 3–October 22
1:30–3:30 pm
Instructor: Mark Shaw, ISA Board Certified Master Arborist at Bartlett Tree Experts

Learn to identify signs and symptoms of woody plant diseases, including the most common biotic and abiotic diseases in the Delaware Valley. Emphases are the diagnostic process, systematic assessment, and the concepts of abiotic disorder and predisposing stresses.

$180; members $162. Takes place at the Barnes Arboretum.
Register online or call 215.278.7200.


Conifers
Wednesdays, October 29- December 17, 2014
1:30-4pm
Instructor: Richard Bitner, horticulturist, author of Designing with Conifers and Conifers for Gardens: an Illustrated Encyclopedia

Learn to identify and classify a range of ornamental conifers, including the best species and cultivars for our region. This course focuses on the major coniferous genera, highlighting identification, growth patterns, and landscape uses, from dwarf specimens for containers to large trees for screening.

$210; members $189. Takes place at the Barnes Arboretum.
Register online or call 215.278.7200.

 

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