Michigan State University Extension
Ornamental Plants plus Version 2.0 - 00001932
01/01/98
Hardiness Zones: 4 to 8 Height: 30 ft Spread: 30 ft Form: irregular Type: vine Annual Growth Rate: more than 18 inches Flowers: Red
Comments: This twining vine is grown for its fragrant, dark red flowers. The bluish foliage remains relatively free of pest problems but usually hides the flowers.
Cultivars:
'Shirobana' - The white flowers are followed by purple
fruits.
References for Cultivars: Monrovia Nursery Company 1997.