Gmo Grapes is an indica weed strain made from a genetic cross between GMO and Purple Punch. Gmo Grapes is 25.7% THC, making this strain an ideal choice for experienced cannabis consumers. effects include Gmo Grapes Drowsiness, relaxation, and arousal. Medical marijuana patients often choose Modified Grapes when dealing with symptoms associated with anxiety, stress, and insomnia. Bred by Symbiotic Genetics, Gmo Grapes feature flavors like grape, berry and honey. The dominant terpene of this strain is pinene. If you’ve smoked, dabbed, or consumed Gmo Grapes, tell us about your experience by leaving a strain review.