by Robert Connell Clarke, Introduction by Mel Frank
Foreword by Prof. R. E. Schultes

Cannabis has been cultivated for 10,000 years. In recent times, marijuana has undergone more genetic experimentation and cross-breeding than during the previous 10,000 years. This remarkable hybrid development was accomplished by thousands of individuals new to any kind of farming.


Marijuana Botany offers accurate information about all aspects of cultivation. It explains how quality is affected by climate and environment; identification and desirability of female plants; consideration for cultivating sinsemilla; THC production and peak potency; producing desirable plants year after year.

220 pages, Illustrations, Glossary, Bibliography, Index