Sorbus aucuparia ‘Fastigiata’ Mountain ash

here’s one for a narrow outside, for this gradual-developing rowan bureaucracy an ­stylish column. It’s a tireless ­performer, generating clusters of white vegetation in overdue spring, darkish crimson berries in June and fiery autumn leaves. it might make an excellent focal feature in a city lawn due to its tidy form and its tolerance of pollutants. it's going to also weather extremes of warmth and cold and the strange drought. peak: 8m