 | Sem Ash Leaf Spirea. Easy to Grow, Compact Sem Ash Leaf Spirea Attracts Butterflies Dramatic Fall Color Easy to Grow Creamy White Summer Blooms Sem Ash Leaf Spirea, Sorbaria sorbifolia 'Sem' (16,336), has pinkish-red, fern-like spring foliage that unfurls along deep pink stems. Its foliage really shows off in the fall! In July and August the neat, round shrub covers itself with creamy white blossoms. This dwarf variety makes a wonderful low hedge, or a great accent. Sem is an improvement from older Sorbaria varieties.... - Sem Ash Leaf Spirea. |