Clethra Alnifolia Summersweet #3
Clethra alnifolia ‘Summersweet’ is a deciduous, medium-sized shrub celebrated for its fragrant, white flower spikes that bloom in mid to late summer, filling the garden with a sweet, spicy scent. The flowers attract hummingbirds, bees, and butterflies, making it a valuable addition to wildlife and pollinator-friendly gardens. It has a naturally rounded and dense habit with glossy, medium-green leaves that turn yellow to golden in fall, providing year-round ornamental interest. ‘Summersweet’ is adaptable to a variety of garden settings, including borders, foundation plantings, mixed shrub beds, and naturalized landscapes, and is prized for its low-maintenance growth and multi-season appeal.
Hardiness Zones:
USDA Zones 3–8Mature Size:
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Typically 5–8 ft tall and 4–6 ft wide
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Medium-sized, dense, and rounded
Light Requirements:
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Full sun to partial shade
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Full sun encourages maximum flower production
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Light shade is tolerated but may reduce flowering
Water Requirements:
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Moderate to consistently moist soil
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Prefers well-drained soil but tolerates wet sites
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Once established, somewhat drought-tolerant, though regular watering improves growth and flowering
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