
Hydrangea macrophylla 'Grenan' NANTUCKET BLUE
Bigleaf hydrangea (Hydrangea macrophylla 'Grenan' NANTUCKET BLUE) is an unusual deciduous shrub that adds an eye-catching shade of blue to any garden. This hydrangea is ideal for adding curves and texture to your landscape and it makes a great focal point. It is also perfect for borders or as a container plant. The large, mop-head blooms are made up of tiny, bell-shaped flowers in shades of purple and blue. The pointed, glossy deep green leaves provide color all season long. Prune lightly after blooming to encourage more blooms the following year. With the right care, your NANTUCKET BLUE hydrangea can provide color and beauty for years to come.
Sunlight
Partial Shade
Water Needs
medium
Green areas show climates worldwide where this plant can grow.
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Water Every
"7-10" days
Sun Needs
partial-shade
Growth
High
Care Level
Moderate
💧 Water every "7-10" days
Seasonal Adjustments
Adjust watering frequency based on temperature, humidity, and season. Water more frequently in summer and less in winter.
Pro Tip: Check soil moisture before watering. Stick your finger 1-2 inches into the soil—if it's dry, it's time to water!
Start seeds indoors 6-8 weeks before last frost date
Take 4-6" cuttings in spring, root in water or moist soil
Take 4-6" cuttings in spring, root in water or moist soil
Propagate via Stem Propagation for best results
Take 4-6" cuttings in spring, root in water or moist soil
Good For:
Consider Carefully:
Enjoys dappled or limited direct sun—about 2–4 hours of morning or late afternoon light and protection during peak midday sun.
Keep soil consistently moist but not waterlogged. Water when top inch of soil is dry.
Plant in early spring or fall for best results. Blooms in summer.