Whate'er

Is it acceptable, in this day and age, to use the word whene'er in a poem?

It's working on all the levels I want it to, but I'm having difficulty accepting its contemporary validity. And it's certainly not something I'd want to use often, which could make it even more incongruous.

And *you *think it's hard deciding what colour crankset to buy.

Isn't it westcountry for whenever? and followed by 'like'?