How to propagate alliums. There are many species which produce offsets visible once the leaves have died. You can lift the bulbs and look for these little “bulblets” to remove them. There are other varieties like the Allium roseum which produce aerial bulbils in their flower head which can be removed carefully, separated, and planted in moist compost about 2.5cm apart and covered with an additional 1 cm of compost.
