Quercus robur 'Koster Strain' (Columnar English Oak)

The Quercus robur 'Koster Strain', commonly known as the Columnar English Oak, is a tall and narrow deciduous tree. It features a slender columnar shape, with dense foliage that turns a beautiful golden yellow color in autumn. This cultivar is a popular choice for urban landscapes or small garden spaces as it takes up less horizontal space. It is known for its tolerance to urban pollution and its ability to withstand harsh weather conditions.