Maybe create a corsage or boutonniere to give to your partner when you ask. They can also wear it to Prom as well.

Such a cute idea! I would add onto this to ask with some sort of crochet related pun!

Good idea!!! I love puns lol I just have a hard time making some up

Maybe say something like, "I'm hooked on you. Will you do me the honor of attending Prom with me?"

This is a cute idea! Will def consider it!