Probably not much. About $7.00 at the most. And, please don't just eat a wild onion. You may get super sick. (same with wild mushrooms) Ask you local veggie farmer's market person. He/she may know.
Use onions grass
No they are not.
Eaten long term or in large amounts wild onions (and garlic) can cause anemia in horses.
yes
Cows do eat many wild onions in the summer months. These onions will not hurt cattle. However, other onions may cause stomach problems for cows.
no
NO. They do not require onions but they will eat plants from the allium family including Garlic, chive and wild onion.
You should NOT feed wild animals.
Buffalo, deer, berries, roots,corn, sweetflag, rabbiat, beaver, wild onions & wild grapes.
Gasoline kills most anything. Pour it on and wait. If you have a lawn around them, you may not want to try it. Gasoline will not only kill wild onions it will kill any other growth and prevent further crops succeeding. It is also dangerous.
Wild Flowers Worth Knowing was created in 1917.
Wild Onions actually. Allium canadense.