Cornus sericea (Red Osier Dogwood) This deciduous plant offers four seasons of interest with bright red bark in winter, clusters of creamy white flowers in spring, tiny white berries (a songbird favorite) amongst a thicket of greenery in summer and purplish leaves in autumn. Height 6-12′. Grows in wet soils and is great for riparian areas. Stems can be used to make a nice red dye. Hardy to zone 3.
o...Red Twig Dogwood -- Red twig dogwood shrubs provide year-round interest. But despite bearing spring blossoms, variegated leaves in summer, and berries from summer to fall, clearly this plant's common name explains the main reason people grow it: namely, the bush's red twigs, which are brightest in winter.
Cornus sericea (red osier dogwood) is native to northern & western North America; prefers damp soil; med-tall decid. shrub, spreading underground to form dense thickets; branches & twigs = dark red, if not growing in shaded areas; fall color maybe bright red – purple; small dull white flowers in clusters; fruit – small round white berry; popular ornamental shrub often planted for the red coloring of its twigs in the dormant season.