Sorbus Ulleungensis 'Olympic Flame' 12Ltr PotA truely fiery appearence for excellent autumn colour. Ornamental Tree In Bloom: May Height after 10 Years: 4m PFM Sorbus Ulleungensis 'Olympic Flame' is a columnar, deciduous tree which makes a fine specimen for small gardens and confined spaces. The highly feathered leaves start out as a copper green colour, becoming green over the summer, and then a fiery mix of bronze, orange and scarlet. Creamy white flowers in late spring develop into clusters