QuestionsHow to growTrees and ShrubsPlantingbutterfly bush/tree 0 Vote Up Vote Down tonya digby asked 15 years ago when is the best time to plant a butterfly bush/tree and what is it actually called? 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 6 years ago The butterfly bush is Buddleja davidii from China. Plant at any time from a pot.