Rainbow Florists & Greenhouses, Inc. proudly serves Waterloo, Iowa. Our shop serves the following areas: Cedar Falls, Waterloo, Dike, Dunkenton, Finchford, Gilbertville, Hudson, Janesville, New Hartford, Raymond and Washburn. Rainbow Florists & Greenhouses, Inc. in Waterloo, IA delivers fresh flowers to those you care about in the following zip codes: 50702 , 50701 , 50707 , 50202 , 50704 , 50624 , 50703 , 50707 , 50706 , 50613 , 50622 , 50614 , 50643 .Rainbow Florists & Greenhouses, Inc. specializes in: We grow our own poinsettias, lilies and a huge assortment of beautiful hanging baskets very popular for Mother’s Day. We carry fruit and gourmet baskets, crystal, brass and stained glass. We are well known for our home grown garden and bedding plants available mid April through June!