If you have a fear of plants, you either watched Little Shop of Horrors and can’t get past it, or you have a problem of Botanophobia.
Even speculating about plants can make someone with Botanophobia greatly troubled.
If someone has cacophobia, they have a fear of stuff that are ugly.
Since beauty is in the eyes of the beholder, it’s difficult to say what will get them to dread.
Do you discover it scary to speak to beautiful women? If so, there is a small chance you have Caligynephobia, also called Gynephobia.
Don’t worry, this fear is presumably remedied by the right phone number from a beautiful woman.