How to propagate alliums by division and seed
The two ways to propagate alliums are through dividing the bulbs and through collecting and sowing the seeds. I cover both these methods in this article. Dividing the bulbs Propagate alliums by dividing the bulbs in early to mid-autumn. Wait until the flowers and leaves have died back. Dig around the plants you want to divide with a trowel. Dig at about 8cm from the bulb clump. It’s a good idea to take these from all around your allium bed….