For beginners and advanced Grower, for medical & hedonistic purposes, written for indoor and outdoor cultivation.

This newly translated growbuch by the author Ed Rosenthal summarizes the current knowledge of the cannabis plant on over 500 pages: all methods and most efficient techniques of growing, the harvest, follow -up and processing as well as many general basic information: the choice of the judgments, of the varieties Systems and equipment to increase potency as well as earnings.

Corrected new edition 2020.