Passiflora, commonly called Passionflower, is a fast-growing vining plant that produces exotic looking flowers that attract butterflies, hummingbirds, and other pollinators. It is a climber that requires some type of support to grow on. Passiflora grows best in well drained soils with at least 6 hours of direct sunlight per day. It is a perennial in zones 6 - 10.