in england that is what i think
red onions originate from England. They like the rich good soil.
potatoes and onions
Yes
the onion plant.
yes, to a rather lovely looking rhubarb
Green parts of onions
Onions come in many sizes - this is one where you actually have to use your own judgement,
Brown (or any ) onions come in a variety of sizes. There is no way to estimate their size without seeing them.
onions traditionally come from France
Come on england
About 3 or 4 yellow onions, depending on your opinion of "medium".