Yes, allium plants, such as garlic and onions, can spread. They can propagate through both seeds and vegetative means, such as bulb division. Some varieties, like wild onions, can spread aggressively in suitable conditions. However, cultivated alliums are typically managed to prevent unwanted spreading in gardens.
allium
An allium is any of a group of bulbous plants of the genus Allium, related to onions and garlic.
Allium schoenoprasum
Allium bisceptrum was created in 1871.
Allium kokanicum was created in 1875.
Allium senescens was created in 1753.
Allium triquetrum was created in 1753.
Allium tuncelianum was created in 1983.
Allium roseum was created in 1753.
Allium peninsulare was created in 1888.
'Allium tuberosum', 'Allium ramosum' or even 'Allium chinense' may be found as the Latin names for 'garlic chives'.
allium Cepa