Tuberose - when do they start showing growth?

I've searched through the forums and have lots of info about how tuberose are late bloomers, but can't find info on when they actually start to poke out from the ground. I planted some last year and I'm thinking they should have at least seen some foliage coming up, but nothing. Do they start late, or should I assume I lost them?

Thanks!
Kim

If you planted these last year and you don't see any foliage, then Yes, they're goners. If they were good you'd have grass like foliage right now with the plant blooming sometime in August

I was afraid of that :( Thanks for the reply!