The Hemp Mine Blog — outdoor lighting

The following article by Dr. Allison Justice appeared on MJBiz Daily  August 4, 2021. Learn about supplemental lighting and its application in outdoor cannabis cultivation.  Traditionally when growing cannabis, the thought is to simply apply over 18 hours of light per day to keep plants vegetative and switch to 12 hours to induce flowering.  This works, so why change it?  As cultivation of outdoor cannabis spreads across the US, understanding how cannabis responds to light becomes very evident. Some growers are finding out that supplemental lighting is necessary even with outdoor grows. Photoperiodism Let’s back up a minute and make...