flower is fuchsia-red with an expansive white base, throat and tube. Buds are red, very rounded and blunt-ended with ridged pericarpels indicating S. russelliana genetics in the background. Noted for early bud formation.
phylloclades are small, shiny dark green, having two forward facing, smallish dentations per side. 'Thor Olga' is reported to be occasionally self-fertile. This cultivar is part of the “New Generation Series”.