Chemex is a sativa weed strain made from a genetic cross between 91 Chemdog, GSC, and Tropicana Cookies #1. This strain is 60% sativa and 40% indica. Chemex, also known as Chemex Sativa, is a creation by Cresco, a cannabis company that operates in multiple states and offers premium flower, concentrates, edibles, and more. Leafly customers tell us Chemex effects include feeling energetic, creative, and happy. Medical marijuana patients often choose Chemex when dealing with symptoms associated with fatigue, depression, and pain. Bred by Cresco, Chemex features flavors like hops, citrus, and lavender. The dominant terpene of this strain is myrcene.