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Genus: Clethra Species: alnifolia, alnifolia 'Ruby Spice' Common Name: Sweet Pepper Bush Family: Clethraceae Order: Ericales Native: Eastern North America Habit: Shrub Height: 4 to 10 feet Width: 4 to 6 feet Flowering Season: Summer Flower Color: White or pale pink Propagation: Seed, layering or stem cutting Zone: 3-9 Note: This plant has beautiful bottle brush-like flowers that attract butterflies and bees. These flowers are fragrant and this plant's foliage turns to an attractive yellow during the Fall season. sweet pepper Bush is suitable for shrub borders, around foundations, or near pond and water gardens. Prefers part shady, moderately dry, well-drained, acidic, organic-rich soil.