Growth Habit: vigorous vine

USDA Zone: 5-9
Exposure: filtered to full sun
Flower Type: double flowers, 6-12 inch racemes
Leaf Color: dark green, yellow fall color
Leaf Description: pinnate, composed of 17-19 oval leaflets
Growing Conditions: humus-rich, moist, well-drained soil
Comments: Our cultivar is from New Zealand and has double blooms. They are one of the darkest purples, but NOT black-purple. Fragrant flowers open about the same time as leaves appear. Deciduous. Also sold as with its Japanese name: 'Yae-kokuryu'.