K1 is a cultivar of unconfirmed origins, thought to be a combination of Durban Poison and LA Kush. Its name may be a reference to a famed climbing peak in northern Pakistan.

The top reported aromas of the K1 strain are chemicals, earth, herbs, and wood. It is said to taste like pine, chemical cleaner, and herbs.

K1 is the winner of the following awards:

3rd place for Best Hash at the 2014 Denver Cannabis Cup