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February Webinar

Flowers to Pharmaceuticals
With Dr. Greg Susla, retired critical care pharmacist and Civil War period medicinal garden curator

February 20, 2025, 1pm Eastern

Dr. Greg Susla

The Flowers to Pharmaceuticals presentation reviews the origin and evolution of plant-based medicines. It reviews the critical aspects of how plant-based medicines were used through history. Common formulations for administering plant-based medicines are reviewed along with examples of toxicities associated with the use of plant-based medicines. A discussion of the current investigations into the role plant-based medicines may have in modern medicine is also included in the presentation. The presentation also reviews restoration of the Pry House Medicinal Garden located on the Antietam National Battlefield in Keedysville, MD.

Greg Susla is a retired pharmacist who received his pharmacy degrees from the Universities of Connecticut and Florida and completed a critical care pharmacy residency at the Ohio State University Hospitals. Greg spent the majority of his career as the ICU pharmacist at National Institutes of Health in Bethesda, MD. Greg is a University of Maryland Extension – Frederick County Master Gardener and holds a certificate in Medical Plants from the Cornell University College of Agriculture and Life Sciences. In 2016, Greg started restoring and now curates the Civil War period medicinal garden at the Pry House Field Hospital Museum located on the Antietam National Battlefield in Keedysville, MD. Greg lives with his wife Lisa in Frederick, MD.


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What are HSA Webinars?


The Webinar Library includes webinars in the following categories:

  • Crafts
  • Children and Youth
  • Native Herbs
  • Food and Beverages
  • Growing Herbs
  • HSA History
  • Modern and Historical Herb Uses
  • Herbal Folklore
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