The bright red branches of this deciduous shrub make it a feature in the winter. The Siberian dogwood also bears light green foliage during the growing season turning crimson in autumn before falling. Clusters of small white flowers appear in spring. Good for pollinators. RHS Award of Garden Merit. Height and Spread: 2 x 2 m. Aspect: Full sun to partial shade. Soil: moist but well-drained, neutral to acidic.