Allium Species, Black Garlic, Broad-leaved Leek, Broadleaf Garlic

I am envious of gardens with this glorious plant. Is it a specific type of onion that blooms or will any onion bloom?
I am new to ...Read Moregardening other than a hanging basket. Thanx, Irishbutterfly

Allium nigrum syn. multibulbosum:

One of the many ornamental alliums which provides clean and refined effect in almost any...Read More situation. Flowering period (mid-spring) possibly can be extended if planted in a location which receives shade in the afternoon. Never have noticed any pests or pathogens. Growth habit is organized, does not grow out of control, and is simple, fitting in a 'less is more' category.

Allium performs satisfactorily in a regular garden soil with regular moisture and fertility. Organic mulch will prevent bulbs from heaving and keep soil off of foliage. Usually one of the first plants to emerge in my garden (foliage first around mid-February).

Complements other white flowering plants such as alyssum, tulips, light yellow or yellow-green colored narcissi, peonies, flowering sage, or Cheiranthus allionii.

This is an heirloom Allium that is multi flowering. It has 3-4 inch globes held on thick stems up to 24" in height. The color is white to...Read More lilac with green furrows and centers.

This allium has very thick stems and produces white florets (can be tinged with pink or purple) that rise up from the ground anywhere fro...Read Morem 20 - 40". They make a great cut flower.