Bubba Kush strains are indica-dominant hybrids known for their relaxing and calming effects, with popular variants including Bubba OG Kush (a cross with Ghost OG), Bubba Punch (a cross with Blueberry), and Purple Bubba Strain (a cross with Purple Kush). The original Bubba Kush is a hybrid believed to be a cross between OG Kush and Northern Lights.