Pjm Rhododendron Full Sun. These hybrids are compact rounded small leaved evergreen shrubs that generally grow to 3 6 tall and are noted for having exceptional winter hardiness. Sempervirens so expect some differences in flower and leaf color.
Hardy to usda zone 4 originated in massachusetts in 1943. Pjm group is a series of rhododendron hybrids that resulted from crosses between r. Easy to grow compared to many of the family it flowers fairly heavily and willingly even in shade though it does get rather leggy with less sun.
Rhododendrons are shrubs with showy flowers in spring usually in shade of white pink purple and red.
In the wild they usually grow on the edges of moist deciduous forests in blazing sunshine yet in damp soil. The rhododendrons of this species flourish in similar conditions in our gardens too. Does very well in cold climates and is one of the hardier. Relatively few rhododendrons are fully hardy in the chicago area or can cope well with its alkaline soils.