In this list of sativa dominant hybrid strains you can look up and compare sativa dominant seeds to find the one with the right traits and effects. But what does 'sativa dominant hybrid' actually mean? Well, it's a cannabis cross with dominant sativa genetics that result in much taller plants, with not exactly the shortest flowering time. However, these are very popular weed strains because of their special uplifting high. The genetic makeup can vary from hybrid to hybrid, with some seeds being only 60/40 crosses and some seeds having as much as 90 percent sativa in their genetics.