The Nantucket Blue Hydrangea is a reblooming variety of bigleaf hydrangea prized for its large, mop-head flowers and classic, coastal charm. In acidic soils, the blooms appear a deep, rich blue, while in alkaline soils, they shift to a vibrant pink, offering versatility in color depending on the garden's conditions. Unlike traditional hydrangeas that bloom only once, Nantucket Blue produces flowers on both old and new wood, providing a long flowering season that begins in late spring and can continue into fall. Its lush, dark green foliage and elegant blooms make it a standout choice for borders, foundation plantings, or container gardens.
This hydrangea typically reaches about 3 to 5 feet in height and width, making it a manageable size for small and mid-sized gardens. It thrives in partial sun—ideally morning sun with afternoon shade—and prefers moist, well-drained soil. Hardy in USDA Zones 5 to 9, Nantucket Blue benefits from mulching to retain moisture and protect its roots during colder months. Minimal pruning is needed, and if done, it should be right after the first bloom cycle to avoid cutting off next year’s flower buds. With its repeat blooming and striking color, Nantucket Blue Hydrangea brings both beauty and reliability to the garden season after season.
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