Aster Blue Gown 04-04-2025DianeComments are closed Aster Blue Gown is one of the best border asters. It provides a neat, tight green border when not in flower and in autumn a splash of soft blue flowers. Height 40cm Width 50cm Category: Perennials and Cottage Related products Aster vimineus White Aster Achillea Beacon – Red Arctotis Pink Arctotis Orange