Dr. Rebman will go over cactus diversity in the Baja California region and discuss the taxonomic challenges of studying opuntioids, especially chollas (Cylindropuntia) and prickly-pears (Opuntia).
Category Archives: Speakers
Colin Walker | The Aloes of Ethiopia
Colin is a retired biology lecturer who is currently an honorary researcher at the Open University, England. He now lives in Scotland with his wife Marjorie, where they enjoy nurturing a varied garden and a substantial succulent collection.
Ernesto Sandoval: June Meeting Speaker
Ernesto Sandoval has been wondering and seeking questions and answers to why plants grow and look the way that they do for nearly 40 years.
Ron Parker CSSA Webinar
Karen Ostler: Exploring the Best of Our Wonderful Mammillarias; “Normals” and Their Strange Variations. Webinar.
May Meeting Speaker: Stefan Burger
Stefan Burger is an Australian naturalist and environmental consultant living in Chile. He has an academic background in Applied Sciences and developed a fascination for cacti and other exotic plants from a young age.
Karen Ostler CSSA Webinar
Karen Ostler: Exploring the Best of Our Wonderful Mammillarias; “Normals” and Their Strange Variations. Webinar.
Buck Hemenway: Introduction To Survival of the Fattest
Join us Wednesday, April 6th at 6:00 pm PST Buck Hemenway and his wife Yvonne are enthusiastic growers of succulent plants. Their one-time hobby turned into the Prickly Palace nursery, which supplied cacti and succulents to the retail nursery trade in Southern California for 15 years. He is Past President and Lifetime Member of both GatesContinue reading “Buck Hemenway: Introduction To Survival of the Fattest”
Wolfgang Borgmann: Succulents of the Canary Islands
Join us Saturday, March 5th at 10:00 a.m. PST for the next in our series of webinars featuring Cactus and Succulent experts from around the world. Presented By CSSA The Canary Islands consist of 8 volcanic islands and some uninhabited rocks, located just over 60 miles off the Western African coast. They are often referred toContinue reading “Wolfgang Borgmann: Succulents of the Canary Islands”
Bob Webb: Euphorbias II: “Spiny Shrubs and Mound Formers”
Join Bob Webb February 19th at 10:00 a.m. PST for the next in our series of webinars featuring Cactus and Succulent experts from around the world.
Dan Mahr CSSA Zoom Webinar
Saturday, January 8th at 10 am PSTDan’s first presentation in 2021 began with a characterization of succulent trees and an overview of the important families and genera. This presentation will focus on general growing practices, especially as container plants, and conclude with a showing of less-ordinary species that have substantial horticultural potential, but are possiblyContinue reading “Dan Mahr CSSA Zoom Webinar”
Gates Cactus and Succulent Society 