QuestionsHow to growFlowersBorder Perennial Flowersget rid of arum italicum 0 Vote Up Vote Down Mary OhIci asked 15 years ago How do I get rid of Arum italicum pictum, it has infested several beds and I think a spray would be best as there are hundreds of tiny bulbs all seem to be viable unfortunately. 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago If you carefully apply Roundup to the foliage and not to other plants you will get good control.