May be attempted in protected locations in Zone 6. Plants usually die to the ground in the cold winter climates of Zones 5 and 6, but may send up new shoots from the roots the following spring. Typically does not require pruning.
Plant care may require a bit of effort, but the results are well worth the work. Not all plants are fragrant, but the most common and hardy do produce a sweet, carrying fragrance. Common is a vine and has larger glossy green leaves than Royal. Both can survive in temperate climates if they are planted in a sheltered area.
Special features: Specimen, group or mass. Border, foundation or hedge. Site in areas where the flowers and fragrance plus the visiting butterflies may be easily observed. Straight species is infrequently marketed in commerce.
Ornamental use: The plant is used for ornamental purpose.