Barberry x ottawensis Superba A medium to large sized deciduous shrub with spiny stems and deep reddish purple leaves. Small red-tinged, yellow flowers in late spring followed by red berries in autumn. Good autumn foliage colour, with leaves turning crimson-red. A particularly good and vigorous form. Site: Tolerates exposureSoil: Any well-drained soilPosition: Full sun or partial shade, best colour in sunSeason of Interest: Purple foliage colour in Summer, Autumn colourHardiness: Fully hardyHeight: 8ft (2.5m) Spread: 8ft (2.5m)