OG 18 cannabis strain is a 70/30 Indica dominant marijuana hybrid. This kush is also known as Private Reserve. The herb grows extremely dense and sticky buds. The nugs have strong sour taste and smell. Be careful with the dose, too much of OG 18 marijuana can result in a psychedelic experience. This strain is not recommended for beginners. OG18 marijuana strain is good for night and evening time medical and recreational use because of her strong relaxing properties. OG 18 marijuana strain induces strong cerebral euphoria followed by strong sedation. Improves concentration, uplifts mood, prompts giggles. Relieves stress, stimulates appetite, helps with nausea and insomnia. Promotes sleep with great pain control.