Hosta of the Year in 2010. The 'First Frost' Hosta Lily is a sport of 'Halcyon', one of our all-time top favorites among blue hostas. First Frost has the same intense blue foliage as Halcyon but the leaves emerge in spring painted with a bold creamy yellow margin that changes to pure white by summer. The slug-resistant leaves hold up well throughout the season, all the way to the "first frost," hence the name. Get all the details below!