QuestionsHow to growFlowersBulbssetting alium bulbs 0 Vote Up Vote Down mary rowley asked 16 years ago Gerry, could i still set alium bulbs or is the ground too cold after recent frost. If not could i set them in pots and leave in ‘plastic’ greenhouse until spring. many Thanks mary rowley 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago Yes, you can plant allium bulbs quite late in the year, even after the turn of the year, although this is not ideal. But they will still grow and most likely flower.