Hydrangea macrophylla 'Nikko Blue' | Bigleaf Hydrangea 'Nikko Blue'

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Bigleaf Hydrangea 'Nikko Blue' {3-Gallon pot}

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Hydrangea macrophylla 'Nikko Blue' (AKA Mophead Hydrangea 'Nikko Blue', French Hydrangea 'Nikko Blue', Hortensia 'Nikko Blue')

Pronunciation: hy-DRAIN-jee-uh mak-roh-FIL-uh NIK-koh BLOO
Product: 201380

Shipping description: This product cannot be shipped to ID, and cannot be shipped from early May to early October to AZ, CA, MT, NV, OR, UT, or WA.
NOTE: Shipments to AZ, CA, MT, NV, OR, UT, or WA require 7-10 days to prepare the required paperwork.

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1 - 9: $111.47 each	10 - 99: $105.90 each
100+: $100.32 each

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Content note — AI-assisted: Some images, descriptions, and specs on this page may have been generated with AI and might not be perfect. If you’re new to this plant, please check verified photos [here] and feel free to contact us with questions.

Add classic color to your garden with Hydrangea macrophylla 'Nikko Blue' (Bigleaf Hydrangea 'Nikko Blue'). This traditional mophead hydrangea makes large, rounded flower clusters that can turn rich blue in acidic soil or shift toward pink as soil becomes more alkaline. Its bold foliage and big summer blooms make it a standout near patios, walks, and foundations.

Give your plant a site with consistent moisture and protection from hot afternoon sun. Part shade is ideal, especially where it can receive gentle morning sun and shade later in the day. In cooler climates it can handle more sun if the soil is kept evenly moist, but drought and intense sun can scorch leaves and reduce bloom quality.

Plan on a mature size around 48-72 inches tall, with a similar spread, forming a rounded, multi-stemmed shrub. Mulch to hold moisture and keep roots cool, and water deeply during dry spells. Because this hydrangea flowers largely on older wood, avoid late-season pruning that can remove next year's buds.

If you need to shape it, prune right after flowering, removing spent blooms and cutting stems back to strong, healthy buds. Leave stems in place through winter where possible, and in colder sites protect flower buds with a sheltered location and winter mulch. With steady care, you'll enjoy a dependable, colorful display year after year.

Specifications

Cold hardiness zone: 6-9 (-10 degrees F) - Contact your local extension to confirm hardiness if you are in a fringe zone (we cannot guarantee hardiness in fringe zones)
Light: Full sun Part sun Shade
Growth rate: Fast
Mature height: 48-72"
Spread: 48-72"