Modified Grapes is a hybrid weed strain made from a genetic cross between  GMO and Purple Punch. Modified Grapes is 23% THC, making this strain an ideal choice for experienced cannabis consumers. Leafly customers tell us Modified Grapes effects include 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, Modified Grapes features flavors like grape, berry and honey. The dominant terpene of this strain is pinene.