Just pick up a pine sapling from your local gardening center or snip a few branches from a tree stick it in a bit of water to keep it fresh top with a few ribbons or. Leave your ideas in the comments section below. 33 Christmas Decorations Ideas Bringing The Christmas Spirit Into Your Living Room Christmas Decorations Living Room Traditional Christmas Decorations Christmas Home 44 How To Decorate Living Room For Christmas Without Fireplace Images. How to decorate a room for christmas without a tree . Chicago-based interior designer Kate Taylor says decorating your windows is a beautiful alternative to having a Christmas tree in your home. And ta dayour hanging Christmas tree decoration is ready. If its a fir tree it should break in. Cut the sharp edges and points and resize them in the pyramid shape. Grab some tree branches from the garden if you dont have a garden then pick it from neighbors. Whatever kind of space you have make sure your Christmas tree is in proportion w