In the summer months the willowy tall thalictrum 39black stockings39 produces black stems topped with fluffy purple flowers it39s great for filling spaces in woodland gardens and shaded borders thalictrum 39black stockings39 mixes beautifully with most border plants and looks especially good with large leaved plants such as rodgersia ferns and hostas its delicate foliage serves beautifully as a sophisticated addition to summer floral arrangements height 200cm 4079