One of the most eye catching flowers in the garden, passion flowers are complex and expansive, ranging from deep hues of blues, purples, pinks and reds. Three pronged leaves grow off of these impressive climbers; the vines can trail up to 10-30 feet! Passion flower vine is great for trellises, fences, posts and for attracting butterflies! They also bear a little golden fruit when exposed to enough sun. Zone 7-10.