United Kingdom 
why has my red onoins got buds on the leaves
21 May, 2011
Answers
The flowering stems of onions can often look very much like the leaves--usually slightly thicker and stiffer, and, of course, there are the flower buds on top.
22 May, 2011
sounds like they have bolted....the "buds" are seed heads.
21 May, 2011