Anniversary Parties Planning an anniversary party? We offer custom flower, plant, and balloon arrangements to make your party pop. From elegant and refined arrangements to colorful and fun displays, email us at customercare@mondayflowers.com or call us at (609) 520-2005 to plan your anniversary party today. We serve over 70 zip codes in New Jersey and Pennsylvania including those in the Princeton, Trenton, and Lawrenceville areas.