Garlic from Bulbils
If you are patient, you can grow garlic from bulbils.
When you let the scape on a hard neck garlic grow to maturity,
it will have an umbel on top. The umbel is filled with
bulbils, which look like tiny garlic cloves.
Here are some good links with more information:
A youtube video from Alberta:
other information on growing from bulbils: