Pinus sylvestris 'Bonna' (Scotch/Sentinel Pine)

Pinus sylvestris 'Bonna', commonly known as Scotch/Sentinel Pine, is a cultivar of the Pinus sylvestris species. It is a coniferous evergreen tree that features a narrow, columnar form with upward sweeping branches in its youth, becoming more pyramidal with age. The needles are blue-green and grow in pairs, and the tree produces small brown cones. This cultivar is valued for its unique and upright habit, making it a popular choice for vertical accents or as a narrow screen in landscapes.