Clear Sky produces large flowers up to 5″ across. It’s flowers have white petals with purple, white and blue striped filaments. It is a larger version of the common Blue Passion Flower (P. caerulea). It is a large, sprawling vine which has dark, glossy leaves, The vine is very similar to the Blue Passion Flower, but is larger, more vigorous, and has much larger flowers. Clear Sky was selected for both cold hardiness and vigor and will re-sprout from the roots.