Ed Rosenthal’s Cannabis Grower’s Handbook is the definitive guide for all cultivators—from first-time home growers to experienced large-scale commercial cannabis operators. The Grower’s Handbook breaks down the fundamentals of marijuana cultivation and demonstrates their practical applications in gardens of any size. Learn new techniques to maximize yield and efficiency and to grow bigger, more potent resinous buds!

Cannabis Grower’s Handbook covers the newest lighting technologies such as LED and adjustable spectrum bulbs; permaculture and regenerative farming techniques; advanced drying and curing methods and strategies; comprehensive integrated pest management; and over a dozen specialized garden setups. Still deciding what to grow? This guide will help you choose among the many options from innovative breeders, which now include autoflowering plants and CBD and CBG varieties of hemp. With over 600 pages of full-color photos, this grower’s guide presents the latest science, tools, and methods to enable you to grow a cannabis garden of any size, anywhere—indoors or out.

Ed Rosenthal’s books are known for their easy-to-understand and trend-setting content and have educated millions of growers—hobbyists and professional cultivators alike consider Ed’s books their go-to guides. This fully updated edition of Ed’s groundbreaking Marijuana Grower’s Handbook comes at a time when more people than ever before can legally grow cannabis and want to know how to maximize their yields. Once again, Ed shows you how, this time drawing on the contributions and research of the pioneers and leaders in the legal cannabis industry, as well as from professors at leading horticultural schools at the University of California at Davis, Cornell University, the University of Connecticut, and Oaksterdam University.

Two new co-authors have contributed their expertise to Cannabis Grower’s Handbook: Dr. Robert Flannery holds a Ph.D. in plant biology and is the founder of Dr. Robb Farms, a licensed cannabis producer in California. Angela Bacca is an editor and journalist who has specialized in cannabis content for over ten years and edited the 2010 edition of the Marijuana Grower’s Handbook. Dr. Robb and Angela Bacca join Ed Rosenthal to bring the must-have Cannabis Grower's Handbook to a rapidly "growing" audience.

“Mr. Rosenthal is the pothead’s answer to Ann Landers, Judge Judy, Martha Stewart and the Burpee Garden Wizard all in one.”
—The New York Times

“Ed’s books have been every grower’s go-to textbooks when it comes to growing good pot, combating diseases, thieves, and other pests that could waste an entire growing cycle.”
—Tommy Chong

“WARNING: Do not lend out this book, you won’t get it back! If there is an OG of cannabis, it is Ed Rosenthal.”
—Jeff Lowenfels, author of Teeming with Microbes

• Commercial cannabis cultivation is now legal in 45 states and the District of Columbia. Canada and over 40 other countries allow cultivation.
• Much has changed in cannabis cultivation when it comes to efficiency and environmental sustainability. Covering the newest advancements in horticulture, this book will change the way people grow.
• A wide variety of farming methods are explained: hydroponics, aquaponics, permaculture, regenerative farming, Korean Natural Farming, biodynamics, automation, and designing gardens for compliance with California’s first-of-its kind cannabis appellations of origin program.