Old Glory is an early-blooming lilac cultivar developed by the U.S. National Arboretum, notable for its abundant, fragrant bluish-purple flowers and robust disease resistance. Blooming approximately 7 to 10 days earlier than common lilacs, it extends the lilac season and provides a reliable floral display even in warmer, humid climates.
Key Features:
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Fragrant, bluish-purple flower clusters bloom in mid-spring
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Rounded, multi-stemmed shrub reaching 8–11 feet tall and 10–12 feet wide
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Foliage bred for resistance to powdery mildew
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Attracts butterflies, bees, and hummingbirds
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Hardy in USDA Zones 5–8
Old Glory lilac is an excellent choice for gardeners seeking a low-maintenance, disease-resistant shrub that delivers early-season color and fragrance. Its adaptability and ornamental appeal make it suitable for various landscape applications, including borders, hedges, and specimen plantings.