Creeping dogwood is a lovely looking herbaceous ground cover plant that is the ideal solution for preventing weeds beneath trees and shrubs as it will act as a weed suppressant stopping them from growing cornus canadensis has small cross shaped white flowers on 634 stems which each have a rosette of fresh green oval leaves growing behind them the spring flowers are then followed by bright red berries height 15cm 4063441 spread up to 1m 40393441