Aristolochia gigantea Dutchmans Pipevine quart plant. This tropical tender perennial vine is called Aristolochia Gigantea. This exotic vine is in the Dutchmans pipe vine family and is hardy in zones 8a to 10b. Aristolochia gigantea blossoms best in light shade and will stay evergreen all year in the above zones. Aristolochia gigantea Dutchmans Pipevine Plant is a real attraction with its huge 12 inch mottled blossoms that seem to appear overnight. Aristolochia gigantea will grown up to 20 feet if you let it climb on a structure. USDA Hardiness Zones 8a to 10b