Quercus robur 'Fastigiata Koster' Formal and offering pretty kidney-shaped blue-green

and offering pretty kidney-shaped blue-green foliage in summer

yellow-green flowers give way to persistent

single flowers with bright yellow stamens in May-June framed by colourful maroon bracts

strongly scented flowers emerge from a profusion of dark pink buds just as the light green foliage is unfolding

its upswept branches radiate grace and tidyness

Quercus robur 'Fastigiata Koster' Formal and offering pretty kidney-shaped blue-greenThis cultivar of our native english oak is a most handsome tree with firm, upright branches giving it a dense, columnar shape. Excellent choice for formal avenues, tall hedging or a garden focal point. Tolerant of urban air pollution and a wide range of soils but prefers deep moist soils. Leaves and acorns similar to the species. Very hardy. Deep rooting.