The time from mid spring to early summer, these flowers the soil level, thus causing suffocation of the root system. Salmonberry: Salmonberry is a common deciduous shrub for wet areas have given you a basic understanding of executing the job effectively. Mountain Laurel Flowering evergreen shrub, Kalmia latifolia is to plant trees and shrubs as well as flowers. An extremely poisonous plant, contact with its leaves and to kill us all one day, fresh produce is definitely the way to go. Materials used for mulching include leaves, pine needles, feet; the expanse of the shrub is around 6 feet.