The Orchard sprouted a hit over the weekend, opening teen comedy Flower, starring Zoey Deutch, in just three theaters and grossing a rousing $57,851. That tally yielded the highest per-theater average of the weekend, though right behind it was IFC Films' The Death of Stalin, which came in with $18,143 per situation in its second frame even while expanding to 32 runs. Focus Features' 7 Days in Entebbe went out to over 800 theaters on Friday with a so-so $1.63M start, while…