Vioalcea Plena is a magnificent variety of Japanese wisteria. This climber bears 30-40 cm long racemes of double, deep violet, scented flowers that make this plant a fantastic show-stopper when in full bloom. In English-speaking countries it is often sold under another name: Black Dragon (and Yea Koku Riu in Japan). It is a late flowering cultivar that flowers along with leaves which is May to early June. It may take 3-5 years to start flowering. Being late in flowering it escapes late frosts. E ...

Wisteria floribunda 'Violacea Plena' - Japanese wisteria (12106 readers)