1g Blue Dream Live Resin 510 thread vape. Blue Dream is a sativa-dominant hybrid marijuana strain made by crossing Blueberry with Haze. This strain produces a balanced high, along with effects such as cerebral stimulation and full-body relaxation. Users describe the Blue Dream high as having an immediate onset of an uplifting cerebral head high that leaves you completely motivated and focused with waves of creative energy that hit quickly and hard. This is accompanied by a mellow relaxing body high that leaves you warmed.