The Barnes Foundation
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Workshops and Lectures


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.

Contemporary Botanical Illustration: Mastering the Art of Illustrating Plants
Thursdays, October 2–November 20 (8 classes)
1–4 pm
Instructor: Marylyn Waltzer

Develop techniques in line drawing and watercolor to create highly detailed and accurate botanical paintings. Understand the properties of the watercolor medium and explore floral structure, form, and elements of composition. All levels welcome.

$360; members, $324. Takes place at the Barnes Arboretum.
Register online or call 215.278.7200.

Peony propagation workshop
Wednesday, October 8
6–7:30 pm
Instructor: Kathleen Gagan, owner of Peony’s Envy peony farm

Learn how to divide herbaceous peony roots, graft tree peony scions, and propagate peonies from seed. Participants bring home their own grafted tree peony.

$25; members $22. Takes place at the Barnes Arboretum.
Register online or call 215.278.7200.

Wednesdays, October 29–December 17 (7 classes; no class November 5)
1:30–4 pm
Instructor: Richard L. Bitner, horticulturist and author of Designing with Conifers and Conifers for Gardens

Explore the world of evergreen and deciduous conifer plants ranging from shrubby dwarfs to towering trees. Focus is on the major coniferous genera, highlighting identification, growth patterns, and landscape use. Conifers for the larger landscape as well as dwarf/slow-growing cultivars for smaller gardens in every genus are plentifully illustrated.

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

Designing with Plant Ensembles
Thursdays, November 6, 13, 20 (3 classes)
9:30 am–noon
Instructor: Dan Benarcik, Chanticleer horticulturist

Often we feel that a garden must be design-driven, based on principles above our heads or beyond our means. This workshop introduces the discipline of designing with plants, including selecting plant combinations and presenting them in an aesthetically successful manner. Different elements of the garden are featured each session. The course also covers how to incorporate must-have plant purchases.

$105; members $94. Takes place at the Barnes Arboretum.
Register online or call 215.278.7200.

Moss is Boss!
Fridays, November 7, 14 (2 classes)
9:30 am–noon
Instructor: Przemek Walczak, Chanticleer horticulturist

Moss, the oldest living plant, is enjoying a surge of popularity among gardeners. This two-part lecture covers mosses and their role in the ecosystem, anatomy and reproductive cycle, growing conditions, garden uses, and design ideas for a variety of mosses.

$55; members $49. Takes place at the Barnes Arboretum.
Register online or call 215.278.7200.



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