Begonia plants are probably America's favorite plant flowers. With tons of variety, Begonias are popular in flower beds, as container plants, for hanging baskets. Begonias are mostly prized for their flower as well as their showy leaves. Some consider it a work of art or a great indoor gardening project. Bonsai plants with their unique shapes and sometimes miniature sizes are fun to grow. Most of your guests will marvel at the spider plant and be prepared to answer tons of questions short of an interrogation.