(Buckthorn) Fine Line Rhamnus is one of the coolest new shrubs on the market! This exciting new variety is an extremely useful, architectural plant that is perfect for narrow hedgerows for privacy, as an accent plant, or even in a patio container. It’s a great vertical accent for the perennial garden, and the narrow habit is perfect for framing entrances. The fantastic feathery foliage of Fine Line buckthorn turns buttery yellow in the fall and displays a beautiful bark in the winter for four seasons of interest! This non-invasive cultivar is an excellent, responsible replacement for older weedy varieties. A Proven Winners ColorChoice Flowering Shrub.