Chem D is a hybrid strain that has a mysterious origin story. It’s been said that Chem D is a select phenotype from the famed Chemdawg strain that was discovered by the renowned grower, Chemdog in 2001. Other claimed stories is that Chem D is a cross from Thai and Nepalese landraces or a seed exchanged among fellow growers at a Grateful Dead concert. While its lineage is a bit ambiguous some believe it’s a cross of OG Kush x Sour Diesel with many variations and phenotypes in the market. Whatever the story is, Chem D has made a legendary name for itself by being a staple, powerful, and potent strain.