Viburnum tinus 'Gwenllian' is a bushy, medium-sized evergreen shrub with neat, dark green ovate leaves. In late winter, it produces dense clusters of star-shaped white flowers from reddish buds, which are followed by ovoid metallic-blue berries. It reaches up to 3 meters in height and spread, thrives in full sun to partial shade, prefers moist, well-drained soil, and is hardy in various conditions.