Aster ericoides 'Monte Cassino' (Heath Aster) - A wispy fine-foliaged perennial mound that grows to 3 feet tall with an abundance of small daisy-like white flowers in the summer through fall. Plant in full sun and water regularly. Cut back after bloom, as it grows back up from the base. Hardy to <0 degrees F. Rated down to USDA zone 5 (-10 to -20 °F). A good cut flower. The information on this page is based on research conducted about this plant in our library and from reliable online sources. We also take into consideration observations of this plant in our nursery crops, as well as of plants growing in the nursery's garden and those in other gardens we visit. We also will incorporate comments that we receive from others and welcome getting feedback from anyone who may have additional information, particularly if it includes cultural information that would aid others in growing Aster ericoides 'Monte Cassino'.