Help with bulbs!

I don't live in Canada or the Pacific Northwest but I thought someone could help. This past fall I planted iris, crocus, and tulip bulbs. I wanted until I thought the temp would not get above what was recommended on the package. Well we had a warner fall and I noticed that some of my bulbs statrted to grow. I was not sure what to do so I did nothing. Now that it is getting close to spring I am wondering if they will grow this year or if there is anything I should do. I live in zone 5 (Michigan, USA). The bulbs have maybe 1-2 inches (2.54-5.08 cm) of growth.

 

Hardy bulbs often come up a ways without freezing off.

 

So are saying that the bulbs should be OK and that come this spring it will bloom?

 

I grew up in Ohio and that happened a lot of winters. There was no damage to the bulbs. Your hardy bulbs should be fine.

 

Thanks!