Edit: Answer - https://en.wikipedia.org/wiki/Allium_tuberosum
I've been letting this grassy plant slowly take over my yard and I haven't been able to actually identify it. It has white flowers in late summer that bumble bees absolutely love. It smells like onions when you cut it and it tastes like onion as well except maybe slightly more mild.
Location: SE Minnesota
Not flowering:
Seeding out:
I used to have garlic chives in my herb garden, before I moved. It's handy being able to just go outside and snip up some oniony goodness for soup or what-have-you.
Herb butter. Nomnom. We Dutch call it bieslook.
Bies do be lookin according to OP
Bies the looks of it, you might be right.