If you live in an apartment or condo, chances are you don’t have a lot of floor space to spare. Squeezing a Christmas tree into the elevator and up to your 20th floor studio might seem like a good idea, but then where are you going to sleep? Some buildings don’t even allow real trees, thanks to those pesky pine needles and the perceived fire hazard. This year, don’t let your square footage or that Grinch of a landlord keep you from spreading holiday cheer. We’ve rounded up 20 Christmas tree alternatives that are small in size but big on style.