Begonias
Flowering begonias are usually thought of as outdoor plants, but they also possess all the characteristics of a great indoor plant. They are tough, undemanding and free flowering. A simple pot of begonias can be planted for next to nothing and will yield a nice season of color. Better yet, there are untold varieties of begonia, including the trailing or bushy varieties, and all manner of foliage begonias. Somewhere in this vast pool of plants is one that will grow in your particular conditions.