Greenhouse OG an amazingly potent Indica dominant strain hails from the Pacific Beach area of California. Boasting a THC content upwards of 22%, Greenhouse OG Strain without a doubt packs a punch. Patients can use this strain for a multitude of ailments, but be careful with the amount consumed as it is very easy to over medicate with Greenhouse OG Strain and end up taking an unexpected nap. Currently Greenhouse OG Strain is only available in clone form, but that may change in the future. Growing Greenhouse OG Marijuana Has Medical Benefits.