CORNUS DRUMMONDII - ROUGHLEAF DOGWOOD - A thicket forming, multi-stemmed, suckering shrub reaching 8 to 12 feet in height, thickets may reach 10 to 20 feet in width over time if not controlled by cultivation. White flower clusters in June are followed by white fruits utilized by birds. Excellent wildlife plant. Native to Nebraska and Kansas to the eastern U.S. Climatic zone 4 and warmer.