How to make flowers flower for tomorrow its my mothers 50th birthday!?

I have some flowers to give a part of a present for my ma's birthday, except they have opened out yet, they are still in there buds ( sorry about the terminology i'm not familiar with the subject :s) Is there anyway to make them open by perhaps adding something to the water? Thanks to all the answers they will be appreciated :D

How to make flowers flower for tomorrow its my mothers 50th birthday!?
Half 7up and half tap water. Put them in a vase with that mixture tonight before bed.
Reply:Besides some of the other suggestions, and since you didn't mention the type of flowers, I'd recommend heat. If it's a sunny day where you are set them in the sun and make sure it's stifling hot around them.
Reply:it can't be open except by force cause its already cut, i don't know if there is any substance that you can put in the water to open it.
Reply:Gently rub your thumb over the top of the buds i promise they will open, works brilliant on roses,also warm water because most flowers have been frozen.x.
Reply:I'm almost positive it wont flower by tomorrow. Why not find a poem online about a mothers love and how love grows and tie that in with the flower.

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