Why do Synthetic PGRs Exist?  Plant growth regulators were originally created for plant uniformity among landscapes. Yes these are chemicals produced for landscapers and not for commercial agriculture, i.e. not something that should be consumed by humans. Some PGRs used for cannabis are also banned from fruit and vegetable cultivation by the USDA, then how … Continue reading Plant Growth Regulators. What are They and how do They Affect Cannabis and Cannabis Consumers?