Bring Tranquility to Your Garden with Hydrangea Nikko Blue
The Nikko Blue Hydrangea shrub is a beautiful shrub that grows round clusters of small flowers. They’re usually a calming bright blue color but can also be more vivid and bold.
Hydrangea macrophylla Nikko Blue can turn purple or pink with alkaline soil, so you can control how blue or pink you want them with the contents of the soil. The dark green leaves create a lovely contrast with the light hues of the flowers.
Nikko Blue Hydrangea Bloom Time
New blooms will appear in late spring or early summer, and the plant will continue blooming throughout summer. They start to die back in the fall, but you may be able to prolong the blooming season if you continually remove spent blooms.
This compact shrub can be planted on its own or in a container, but it also works well when planted with others as foundation plantings or as accents in flower beds. Hydrangeas make beautiful cut flowers, so planting more than one plant will allow you to keep a bouquet around all year long.
Nikko Blue Hydrangea Care
Blue Nikko Hydrangeas thrive in hardiness zones 6-9. In colder zones, provide winter protection or bring plants indoors to protect them from freezing temperatures.
Hydrangea Blue Nikko grows best in partial sun. It can tolerate full sun, which is at least six hours of direct light, but it will need to be watered almost daily to keep the soil moist. Morning sun and afternoon shade will be ideal.
Hydrangeas love moist soil but avoid allowing the soil to get soggy. If your Hydrangeas are in full sun, you may need to water them daily during the hottest parts of summer.
Hydrangeas aren’t particularly picky about the type of soil. They can grow well in clay, loam, or sandy soils. Be sure the soil is well-draining and rich in nutrients. Depending on soil health, you may need to apply compost or slow-release fertilizer every year.
The Nikko Blue Hydrangeas need slightly acidic soil to keep their beautiful blue color. Hydrangeas are unique in that the soil’s pH level can affect its color. Alkaline soil will turn the hydrangeas pink, neutral soil will turn purple, and acidic soil will make blue hydrangea flowers. You can use this interesting attribute to your advantage to create a rainbow of Hydrangeas in your garden!
Nikko Blue Hydrangea Size
The blue hydrangea bushes reach 4-6 feet tall and wide. Planting them in a planter will keep them a little smaller, and you can always prune excess growth if you want to keep the plant small.
Nikko Blue Hydrangea Pruning Requirements
Hydrangeas will continue blooming all summer if you remove spent blooms. Doing so will encourage the plant to put off more growth. In early spring, cut back damaged or weak stems to encourage more growth in the upcoming growing season.
Hydrangeas are compact plants that keep an overall rounded shape, so you don’t have to prune to shape the plant unless you want to. You can trim excess growth if you notice a stray branch growing longer than the rest of the plant.
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Sunlight Full Sun / Partial Shade
Blue, Pink, Purple
Mature Width 4-6 ft
Mature Height 4-6 ft
Growing Zones 6, 7, 8, 9