It is a deciduous vine that typically grows to 6-8’ and features showy single flowers (3-4” diameter), each with creamy white sepals and a large … Helen Plant Doctor. If growing florida sieboldiana or it's sister florida flore pleno, it is best to bring the pot in over winter, greenhouse, garage, shed, don't allow the plant to … Clematis florida var. sieboldiana is native to China and Japan. 2009-06-17. It is difficult not to … Crocus Helpdesk. Large Flowered Clematis. sieboldiana, Clematis Arabella, Clematis Bees Jubilee or Pyracantha spp. I hope this helps. Clematis florida var. The flowers are large, and is said to … sieboldiana is offered in a full gallon size with free shipping! Browse pictures and read growth / cultivation information about Clematis Species, Passion Flower Clematis (Clematis florida var. Clematis florida var. Clematis florida Sieboldii If you are looking for a colourful climber, creamy white flowers with contrasting purple stamens, then Clematis florida Sieboldii is one of the best. Its double flowers astound with resplendent sepals of white providing a … It was first brought to Europe in the mid 1800's. Clematis are greedy and need lots of nourishment.