||Rhododendron maximum is the largest of the genus, having the largest foliage and flower trusses. Large white broadly funnel formed flowers, makes this a wonderful shade loving evergreen shrub. The flowers are white to pale pink with yellow or green spots on the upper lobe. Blooms from June-July, as late as August depending on the elevation and latitude. R. maximum prefers full shade in rich moist soils that drain well. Mature size is 15'High x 15'Wide.