“The nandina is a species of flower and plant native to eastern Asia,” we’re told. “The smell at certain times of the year gives you a real buzz — like the buzz you get just before pulling the trigger.” Here is the first trailer for Master Gardener, writer-director Paul Schrader’s feature starring Joel Edgerton, Sigourney Weaver and Quintessa Swindell that premiered at Venice last year. Have a look at the video above and the poster below. The crime thriller scripted by Schrader — marking the last film in his trilogy that includes First Reformed and The Card Counter — follows...