Word to describe a flower fading out from existence

For a flower to "bloom" means that it comes into existence. What would be a word that means it is fading out from existence?

blooming flowers

I got these antonyms from google search, none seems to match.

Solution 1:

Wilt

http://dictionary.cambridge.org/dictionary/english/wilt

to become weak and begin to bend towards the ground, or (of a person) to become weaker, tired, or less confident:

Cut flowers will soon wilt without water.