I'd honestly get that if you don't have her.

Just like Iberis, Helenium is gonna become insane when she can bloom...

Hell, here's what you got to look forward to (give or take the slight adjustment between Nutaku and DMM):

Helenium- http://flowerknight.wikia.com/wiki/Sneezeweed

Iberis- http://flowerknight.wikia.com/wiki/Evergreen_Candytuft