Dear Hortense Hoelove,
Does a watched Witch-Hazel ever bloom?
Hazel Watching in Indiana
If you are referring to the Vernal or Ozark Witch-Hazel, Hamamelis vernalis, I have good news for you. Yes, it will bloom regardless of whether or not you watch it.
I would guess by the nature of your question, that you are watching your witch-hazel buds and impatiently waiting for them to slowly open.
Stop doing that and instead go organize your seeds.