Website/Catalog  (Dec 2014)  Page(s) 218.  
 
Clematis 'Advent Bells' Clematis of the Month for December 2014
In 2004 I had the idea of crossing two related species, although their distribution was continents apart. C. cirrhosa of the Mediterranean Regions and C. napaulensis of Eastern Asia seemed as it might be a possibility, so I set about cross pollination with both C. cirrhosa 'Freckles' and C. napaulensis being tried as the mother plant, but only C. napaulensis produced seed, which were ready for sowing in late spring of 2005.....