Nantucket Blue Hydrangea
Hydrangea macrophylla ‘Nantucket Blue’Nantucket Blue Hydrangea is a reblooming mophead hydrangea valued for its large blue flower heads, sturdy growth habit, and long season of color. From late spring through early fall, it produces rounded blooms in shades of deep blue in acidic soils or pink-lavender tones in more alkaline conditions. The bold flowers stand out against rich green foliage, making this variety a strong focal point in borders, foundation plantings, and mixed shrub gardens.
This deciduous shrub forms a dense, rounded habit and typically grows 4′ – 6′ (ft) tall with a spread of 4′ – 6′ (ft). Its fuller size makes it useful for hedges, mass plantings, and larger landscape beds while still maintaining a refined appearance. Nantucket Blue blooms on both old and new wood, helping provide reliable flowering throughout the growing season.
Nantucket Blue Hydrangea performs best in partial shade with consistently moist, well-drained soil rich in organic matter. Morning sun with afternoon shade helps preserve flower color and foliage quality during summer heat. Minimal pruning is needed beyond removing winter damage and spent blooms in early spring.
Care Instructions
Planting: Plant in partial shade or morning sun with afternoon protection.
Soil: Prefers rich, moist but well-drained soil with organic matter.
Watering: Water regularly, especially during hot and dry periods.
Fertilizing: Apply a balanced fertilizer in spring and midsummer if needed.
Pruning: Prune lightly in early spring to remove winter damage and spent blooms.
Spacing: Space plants 4′ – 6′ (ft) apart for airflow and mature growth.
Maintenance: Mulch to retain soil moisture and protect roots.
Its large reblooming flowers, dependable growth habit, and rich blue color make Nantucket Blue Hydrangea a reliable choice for long-lasting seasonal interest in the landscape.
