QuestionsHow to growFlowersBorder Perennial Flowerslupin flowers 0 Vote Up Vote Down julie prudhoe asked 16 years ago Does the border lupin re-flower or just one flower a year. 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 6 years ago Border lupins flower once in early summer but if the spent flowers are cut off before they form seed pods, you might get some late flowers.