
Cannabis Training University is pleased to announce the latest member of our esteemed faculty, the Guru of Ganja himself, Mr. Ed Rosenthal!
CTU has rounded out its cannabis cultivators with the biggest name in all of the cannabis industry! Ed Rosenthal has sold millions of books on how to grow cannabis. The Guru of Ganja is the cannabis industry’s leading author, having sold his books across the globe for the last two decades.
Edward “Ed” Rosenthal (born Bronx, New York, 1944) is a California horticulturist, author, publisher, and Cannabis grower known for his advocacy for the legalization of marijuana use. He served as a columnist for High Times Magazine during the 1980s and 1990s.
Now his latest book, The Marijuana Growers Handbook is the Official Textbook of Cannabis Training University! Inside you will find over 600 pages of amazing cannabis cultivation information!
Sign up quick at CTU and you will not only get access for twelve weeks to over 200 videos on all things cannabis, but 5000 pages of e-books, including Ed Rosenthal’s Marijuana Growers Handbook, and a 250-question online certification exam!
Want to start a cannabis business? Looking to get a job in the booming medical marijuana industry? Want to stop overpaying for weed and grow your own for a third of the price?
Get your cannabis training institute information today at Cannabis Training University.
Sign up now and become the next great cannabis grower. Get certified online and begin a cannabis career.
Cannabis Training University is an IACET Accredited Provider with over 200 cannabis videos.
Begin a career in medical or recreational marijuana with online training from Cannabis Training University.
CTU now includes twelve weeks of access to Ed Rosenthal books in its Master of Cannabis program!
More in Growing
Check your state's cannabis laws

Indoor + outdoor growing careers
Copyright Cannabis Training University, a subsidiary of Online Training Providers. © 2026. All Rights Reserved.
Medical Disclaimer: The information on this website is for informational purposes only and is not intended to be a substitute for professional medical advice, diagnosis, or treatment.
Always seek the advice of a physician or other qualified health provider with any questions you may have regarding a medical condition.
Legal Compliance: Cannabis remains federally illegal. Products and information are intended only for jurisdictions where cannabis use and possession is legal.
By using this site, you affirm that you are of legal age (21+) and responsible for understanding your local laws.
