Small potted herbs, such as baby tears, euonymus, and rosemary, can be cleverly used as escort cards—that double as favors—by inserting plant markers with guests' names. Herbs by Artfool, artfool.com. Markers from Jamali Garden Supply, jamaligarden.com. Calligraphy, by Tommy for Coyle & Company, 212-818-1255. Green lattice, from Props for Today, propsfortoday.com.