fastest flowering plant?

[Bramble_killer]

Daffs? ...

you know, that may just be perfect. they should be flowering soon.....

i like that a lot.

(but also may have ordered some of the other suggestions....)

[coreopsis]

Are you going to grow it inside or outside?As for outside I'd back up marigolds,inside-definitely amaryllis(about 1 inch a day)