Hummingbird ClethraClethra alnifolia 'Hummingbird' Height: Typically 2–3 feet tall in Michigan’s climate Spread: About 2–3 feet wide Spacing: Plant 2–3 feet apart for a tidy, refreshing display Growth Rate: Moderate Native Deciduous Description Hummingbird Clethra is a stunning compact shrub prized for its lovely, fragrant white flower spikes that appear in mid to late summer. These blooms provide a grand splash of interest when many other plants have finished flowering, and they can draw in butterflies for extra excitement. Its glossy green foliage often shifts to a vibrant yellow in fall, adding a satisfying note of seasonal color. With a polished, low-profile habit, Hummingbird Clethra brings fresh energy to shaded borders or mixed beds and can also thrive in containers given regular watering and the right conditions. General Care Sunlight: Performs best in partial shade to full sun, requiring at least a few hours of direct or filtered light daily. Watering: Water regularly after planting to establish strong roots; once established, water as needed during prolonged dry periods. Mulching: A 2–3 inch layer of mulch around the base helps retain moisture and moderate soil temperatures, keeping mulch slightly away from the stems. Pruning: If needed, prune after blooming or in late winter to maintain a tidy shape and encourage vigorous growth for the following season. Hummingbird Clethra delivers a fresh burst of fragrance and seasonal color to Michigan landscapes, offering a satisfying showcase of elegant blooms in a compact, easy-to-grow form.
