I'm totally with pitimpinai... Home Depot is notorious for "mislabeling" the appropriate growing place for many plants and shrubs. You may be able to get them to bloom in doors, but because the buds are so tight, my worry is that without enough light and water, the buds may dry and drop. Lilies that are sold as "house plants" are usually sold in bloom and treated like a bouquet of flowers. This time of year, these were probably being forced in a green house to bloom for Thanksgiving and are blooming a mite early. You don't indicate your hardiness zone or location. If you are in an area where it's still "autumn", warm days and cool evenings but still in the 50's at night and you can put it outside, even in the pot, you might have better luck but getting it into the ground would be the best. Of course, if you are having winter frosts and cold nights, that is not an option. In that case, I would do the best you can to provide as much light as possible, water, and after it (hopefully) blooms for you, if you like the color, save the bulb and plant it in the yard in the spring.

it depends on the rose, but i have read between 45-55days. I can't remember where i read that, somewhere on the web, i think it might have been an article by brent dickerson i want to say. But i think from bud to open bloom it depends on the heat, which will cause them to bloom faster. someone who exhibits roses would know a lot more. i think they even put them in the fridge sometimes.

I'm in ct zone 6 and they opened yesterday. :)

Yup- Mine has some too. It was really slow going there for a while- I have two, and both just sat there doing nothing. Now they have runners going all over the place... It's as if tehy have to get to a certain size before they hit a growth spurt.. Mine took about a year to get there. Now I can't stop them. Pictures later.