What is the most cold hardy passion fruit?
Passiflora incarnata, originally from the eastern United States, has a special position among the many passion flower species. It is distinguished by its absolute winter hardiness, willingness to bloom and tasty fruits. Passiflora caerulea – Common passionflower or Hardy Passion Flower is cold hardy and drought tolerant variety of passionflower grown from zones 6. Passiflora foetida – is native to the desert southwest US and is cold hardy and drought tolerant variety of passionflower grown from zones 8.