

Robert Bergman
Robert Bergman is an Amsterdam-based marijuana grow expert who has years of experience from small grows to massive operations. His passion for growing led him to develop his own Gold Leaf strain. Now, Robert is dedicated to sharing his knowledge with the world.


Best water for marijuana plants


Cinex Strain


Dr. Who Strain


Early Girl Strain


ACDC Strain


Dutch Haze Strain


Mendocino Purps Strain


Space Queen Strain


Maui Haole Strain


Critical Kush Strain


Super Sour Diesel strain


Chemo Strain


Pineapple Strain


Holy Grail Kush Strain


MK Ultra Strain


Allen Wrench Strain


Deadhead OG Strain


Cannalope Haze Strain


Green Dream Strain


Growing Cannabis With Aeroponics


Powdery Mildew on Cannabis


Absorption Of Water And Nutrients By Marijuana Plants

