Passion Flower (Passiflora Caerulea) - What an exotic, lovely plant for your garden! Grown from Passion Flower seeds, this vining perennial can grow to 180 inches or more, and it produces large, 4 inch pale blue blossoms. Passion Flower fruit are egg-shaped, orange and edible but not very noteworthy. Passion Flower Vine is native to Southern Brazil and Argentina, and is popular all the way to the southern United States. This variety can be grown further north with moderate success and is hardy down to 10 degrees F. If it dies back due to a severe freeze it has been known to grow back from its deep roots. Many gardeners will bring their blue Passion Flower Vine indoors each winter. Passion Flower is an evergreen in tropical or semi-tropical regions, but as the winters become cooler it will drop its leaves. You do need to prune new growth occasionally to promote flowering. Season: Perennial USDA Zones: 8 - 10 Height: 96 - 180 inches (vining) Bloom Season: Summer and fall Bloom Color: White with blue Environment: Full sun