Kush generally refers to a pure or hybrid Cannabis indica strain.

[1] Hybrid strains of C. indica include Blueberry Kush and Golden Jamaican Kush.

[1] The term "kush" is now also used as a slang word for cannabis.

[2] The origins of Kush Cannabis are from landrace plants mainly in Afghanistan, Northern Pakistan and North-Western India[3] with the name coming from the Hindu Kush mountain range.

"Hindu Kush" strains of Cannabis were taken to the United States in the mid-to-late 1970s and continue to be available there to the present day.