Sour Diesel also known as Sour D is a 90/10 sativa dominant hybrid. The origin of the genes is somewhat questionable, depending who you ask. The most common is Super Skunk and ChemDawg Phenotype but in all cases no one questions the high of Sour Diesel. Sour Diesel buds are medium in size with orange pistils and the most common trait is its yellowish green leaf and dense buds. The buds are resinous and full of hidden trichomes inside when you break them open. The aroma is that of gasoline like and hints of citrus fruit.