This is Passiflora morifolia, also known as Woodland Passion Flower, and blue sweet calabash. The fruit is edible and abundant and the flowers are very pretty. This tropical vine is a big hit with the birds, bees, and butterflies. It likes to live in full sun and blooms from the middle of Spring until the middle of Fall. This is a host plant for the Zebra Long Wing, Zebra Heliconian, Julia Heliconian, Isabellas Heliconian, Banded Orange Heliconian, Mexican Fritillary, Scarce Bamboo Page, Erato Heliconian, Variegated Fritillary, and Gulf Fritillary butterflies. It is also a larval host plant for the Plebeian sphinx Moth. USDA Hardiness Zones 10 to 11.