Evergreens love bright light and moderate amounts of water. If it begins to fade inside, place it outdoors in a shady location for several days, and then bring it back inside.
Evergreens are quite comfortable indoors, if they get some fresh air once in a while.
Insert potted tree into decorative container with sand in the bottom. Pour more sand into container to fill in between side of plant and pot. Cut floral foam into pieces that fit between the pots. Cut short sprigs of foliage from evergreen tree. Insert them between the sunflowers so they fall over the edge of the container.