Really Killer Skunk is a sativa dominant hybrid of {Afghani x (Colombian x Thai)} from Reserva Privada. Skunk #1 is a legendary sativa dominant strain originally bred in Santa Cruz, CA and later brought to Amsterdam, Netherlands in the mid-1980's where its popularity exploded. Its uniform structure and vigorous growth made it an easy choice for breeders looking to create new lines. It is a foundational building block of many of today's varieties.