Effects: Jack Herer strain is one of the most well-known buds on the planet and provides an energizing high that is perfect for when you need a little extra oomph. This strain can also provide feelings of happiness, clear-headedness, and creativity. Aromas/Flavors: The strain's aroma exhibits a citrus bouquet, while the burning of Jack Herer releases an herbal scent reminiscent of sage. Users often describe the smoke as having an herbal taste, akin to potpourri.