Gorilla Glue Weed Gorilla Glue #4 marijuana strain is a very potent strain of cannabis, primarily grown in Colorado. The genetic makeup is a mix of Chocolate Diesel weed strain with Sour Diesel weed strain. The smell of diesel is very strong but the taste is similar to coffee that has gone stale. The smell is extremely very strong, one of the strongest weed strains. This is why the strain is mainly grown indoors. The THC level is an average of 25-28%. This marijuana strain plant is light green in color. Gorilla Glue #4 weed strain is a sativa hybrid strain. This type of marijuana strain is often used by people that feel a need to self-medicate. It can help with reducing chronic pain and make people relax.