Holy Grail, also called Holy Grail Kush and Holy Grail OG, is an award-winning indica-dominant weed strain made from a genetic cross between Kosher Kush and OG Kush #18. This strain an ideal choice for experienced cannabis consumers. Leafly customers tell us Holy Grail effects include relaxed, euphoric, and happy. Medical marijuana patients often choose Holy Grail when dealing with symptoms associated with pain, anxiety, and stress. Bred by DNA Genetics, Holy Grail features complex flavors like spicy, pungent, and pine. The dominant terpene of this strain is limonene.