Passion Flower 'Purple Rain' has such remarkable Mauve-Purple blooms it appears to be transluscent or nearly glow-in-the-dark. Passion Flower 'Purple Rain' blooms repeatedly and it is evergreen and smooth- textured and hardy tolerating temperatures down to -7C (20F). It has a healthy dark leaf on mature stems which sets the flowers off well. This hardy hybrid is an interesting vine to grow and can be grown inside as a houseplant too, also great in conservatories. The passion flower was given its name by missionary priests in South America who saw a resemblance between the flower and elements of Christ's passion.The ten flower segments were said to represent ten apostles (Peter and Judus were not included), the corona the crown of thorns, the five stamens Christ's five wounds and the three stigmas the three nails. The hand like like leaves also represent the hands of Christ.