The Chemdog strain is commonly referred to as Chemdog91 because of the initial discovery date from bag seed. Chemdog is the plant responsible for all “Diesel” strains known today, including the popular Sour Diesel. Chemdog is an incredible plant with sativa dominant traits. She has a penetrating, almost rancid, pine/fuely thing in her aroma and flavor. The effect is strong and intense hitting right in the head.