A best-seller since 1983, it has been expanded and completely rewritten to include all the latest information on grow rooms, greenhouses and outdoor cultivation, medical cannabis, safety, lighting, fertilizers, and more.

Over 1,100 full-color photographs and images illustrate every detail of this easy-to-understand book. Numerous simple growing solutions make it appealing to beginning growers. Experienced growers will also find answers to all their questions. Discover how to achieve the highest yields and greatest potency, even with limited space and a small budget.