Try looking for 'Chamaecyparis lawsoniana 'Ellwoodii'. It is a garden conifer, grows in most conditions and will reach about ten feet in height.

You're seems to be set up as an indoor Christmas decoration. As such all you can do is follow the advice given when you bought it. Personally I think it is unlikely to survive long in the house so just enjoy whilst you can. You can try planting out afterwards following the info about the tree when you Google it, if you have the space for in your garden.

If you want to keep it the best advice is to plant it outside now rather than later.