Yerba Santa produces lance-shaped leaves that are coated with a resin that makes them sticky and shiny. Yerba Santa makes a great incense offering when burned. Order Your Sacred Plant Co Seeds Growing Your Yerba Santa Seeds. # 1 | Soak your Yerba Santa seeds in water, let stand in water for 24 hours. Smoked water treatment may improve germination. # 2 | Place your yerba santa seeds on top of moist sandy soil, and press firmly. # 3 | Keep the yerba santa seeds in a warm, spo