QuestionsHow to growFlowersBorder Perennial FlowersJasione laevis 0 Vote Up Vote Down Natasha Keogh asked 13 years ago Should I deadhead my jasione as the old flowers look very dull? how far down the stem should i cut? 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 6 years ago Jasione is a perennial and you just tidy up the flowering shoots at the end of the season, or leave it to shed its own shoots.