There is also information about pests and other environmental problems that are particular to indoor plants like spider mites and diseases that occur due to lack of nutrients. Bergman covers everything from the dangers of over-watering plants to the importance of having nutrient-rich soil. People interested in growing their cannabis inside can learn about techniques that can improve the outcome of their plant. The second and third chapters hold the bulk of the information with more information about the plant’s specific needs when growing indoors and outdoors. Readers can find information about what to consider when selecting seeds, the difference between indica and sativastrains and what to expect during the plant’s germination process. The brief guide offers four succinct chapters that cover the basics of growing cannabis from start to finish, from seed to harvest, with images to accompany growers through a variety of stages. It’s written in a straightforward style that’s easy to understand even though it describes a very delicate, particular and involved process. His move from a cultivator to an author and founder of was inspired by an urge to share the knowledge he picked up through hands-on experience with others.ĭescribed as a grow guide for beginners, The Marijuana Grow Bible is a solid source for new cultivators interested in getting an uncomplicated run-down of the basic techniques for growing. He has been growing cannabis for more than two decades in and around Amsterdam, beginning with just a small, home-based set up before graduating to industrial-sized grows. Robert Bergman’s knowledge of plant growing comes from his past as a cultivator.