Project Z is a hybrid weed strain made from a genetic cross between Zkittlez and Runtz. Project Z is 25% THC, making this strain an ideal choice for experienced cannabis consumers. Leafly customers tell us Project Z effects include relaxation, focus, and energy. Medical marijuana patients often choose Project Z when dealing with symptoms associated with depression, chronic pain, and fatigue. Project Z features flavors like earthy, floral, and fruity. The dominant terpene of this strain is limonene.