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Great Garden Plants from 35 Years of Comparative Trials

October 30 @ 10:00 am - 3:30 pm

Coming Soon

Don’t miss this exclusive opportunity to learn from Richard Hawke, Chicago Botanic Garden’s Plant Evaluation Manager and Associate Scientist! He will share his research findings on genera such as Amsonia, Athyrium, Baptisia, Campanula, Clematis, Echinacea, Geranium, Geum, Hibiscus, Hydrangea, Lavendula, Ligularia, Nepeta, Perovskia, Rodgersia, Salvia (tender and hardy), Stachys, Vernonia, and collectively, asters, ornamental grasses, and green roof plants. Through his clear and humorous teaching style, Richard will provide participants with a wealth of information and renewed enthusiasm for great garden plants, and an eagerness to get out there and garden! Bring your own lunch. Limit 40.

Since 1986, Richard Hawke has been the Plant Evaluation Manager at the Chicago Botanic Garden, and is responsible for the comparative evaluation of over 1,100 taxa of herbaceous perennials and woody plants. The Plant Evaluation Program is one of the largest and most diverse in the nation, and received the Award for Program Excellence from the American Public Garden Association in 2008. Richard has a horticulture degree from the University of Wisconsin-Madison. He is the author of Plant Evaluation Notes, a Chicago Botanic Garden publication reporting the results of evaluation trials. Richard is an instructor for the School of the Chicago Botanic Garden, and in 2005, received the Perennial Plant Association’s Academic Award for teaching excellence. Richard is an author and contributing editor for Fine Gardening, and writes for other horticulture publications such as Perennial Plants, The American Gardener, Chicagoland Gardening, and Nursery Management.

Registration coming soon.

Cancellation Policy:

  • The Scott Arboretum retains the right to cancel any program due to lack of enrollment or unforeseen problems.
  • Refunds for classes will only be available if notice is given 10 business days before the class.


October 30
10:00 am - 3:30 pm
Coming Soon
Event Category:


Wister Center – Gillespie Room
500 College Avenue
Swarthmore, PA United States
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