Blueberry X Haze This mysterious cultivar is from the Santa Cruz area (if legends are to be believed). While its exact origins aren't quite clear, Blue Dream is its a strain that's here to stay. The sativa leaning hybrid is a smoke for those new and experienced with cannabis. It provides a clear-headed euphoric boost, and a warm buzzy-relaxation which works well for most people and situations. See what one of the first "viral" strains to hit market feels like!