@Shadrach - three hundred onions?!
Do you have a space where you can store them, or a seriously onion-heavy favorite recipe, or ??
Do you have a space where you can store them, or a seriously onion-heavy favorite recipe, or ??
But at least young bracken rots in situ. Old bracken fronds even resist composting.

It's true they are only available for a short season for good eating. Then they flower and get tough, then the whole area reeks of garlic for about a month. Then, thankfully, other things take over the wild spaces and verges.