Clethra a. 'Hummingbird' (Summersweet)Native Summersweet thrives in the partly shady, moist shrub border or woodland's edge, and the very fragrant white bottle brush like flowers in July and August are much valued by birds, butterflies and bees. 'Hummingbird' is a compact variety that grows 3 4' tall and is slower to spread. Brilliant yellow foliage in fall. Plant 36" apart. Sunlight Requirements: Full Sun to Partial Shade USDA Hardiness Zones: 3 9