Fine Line is a remarkable new plant that's a cross between the columnar and cutleaf form of Buckthorn. This new shrub is idea for those small narrow beds along the house. Use it for creating narrow attractive hedges or privacy walls around your patio or deck. Unlike the species, this plant is not weedy or invasive. It has been proven to be an environmentally friendly plant that is not invasive like other types of buckthorn. While the seeds of the species germinate at 98% this plants only had 6% of the seeds grow into plants. This is exciting news in the fight against invasive plants.