Celebrated in songs and stories, Helleborus Niger (Black Hellebore) is commonly known as Christmas Rose as it blooms in winter. It too is an evergreen perennial with large, bowl shaped glistening white flowers with golden stamens. They grow in zone 4 to 8 and ‘HGC Jacob’, ‘HGC Josef Lemper’ and ‘Potter’s Wheel’ are some of the common species of Christmas Roses.