From a seed a mighty hibiscus blooms . . .

My lovely wife and I chose to come up with plots for each other for our ScriptFrenzy. Interestingly, each of us are going to use these seeds for a short story (I'd started mine ages ago and never finished it). Here is the plot seed she gave me:

A fat, pink hibiscus flower presses against the window like a prolapse, big and bloated, swollen with colour. The husband is afraid of it and goes on to make a protest speech at the local horticulture club. They are sceptical at first, then they realise that he is right, and there is an intangible evil that can live within flowers. Soon he has a mass of followers. The wife doesn't believe him at all and is eventually alienated from him and his followers. He turns to the dark side and begins exploiting the evil in the flowers. Is he right at all though?