Just as santa39s sleigh appears in the sky in december so do pale bell45shaped flowers grow amongst the evergreen foliage of clematis cirrhosa 39jingle bells39 this variety of old man39s beard thrives during the bleak midwinter producing sweet45smelling blooms and distinctive seedheads sure to brighten up any garden throughout january and february what39s more you won39t even have to brave the cold yourself to tend to the plant as it requires minimal pruning wheth