Rostrincula is an unusual deciduous shrub recently introduced from south China and not widely available. It is in the mint family and resemblea a Butterfly Bush (Buddleia) but the unusual flowers which appear in summer are pinkish purple hanging racemes 4-6 inches long. Plant in good garden soil in sun or semi-shade. In colder areas up to zone 6 this plant may be mulched for the winter and treated as a perennial. This shrub is an unusual plant likely to attract attention.
USDA Hardiness Zone 7 - 9