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Hydrangea M. ‘Nikko Blue’ 3L Pot

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Hydrangea macrophylla ‘Nikko Blue’ is a popular cultivar of the Hydrangea macrophylla species, commonly known as bigleaf hydrangea or mophead hydrangea. Here’s some information about Hydrangea macrophylla ‘Nikko Blue’:

Appearance: ‘Nikko Blue’ is a deciduous shrub that typically grows to a height and width of 3 to 6 feet (0.9 to 1.8 meters). It has large, rounded flower clusters, known as inflorescences, composed of numerous individual flowers. The flowers of ‘Nikko Blue’ are known for their intense blue color, which is influenced by the soil pH.

Flower Colour: The flowers of ‘Nikko Blue’ hydrangea are initially a deep blue color, which is often described as vivid or intense. However, it’s important to note that flower color can be influenced by the pH of the soil. In acidic soil (pH below 7), the flowers tend to be more blue, while in alkaline soil (pH above 7), they may turn pink. The intensity of the blue color can vary depending on environmental factors and the specific conditions of each garden.

Soil pH: The flower color of ‘Nikko Blue’ hydrangea can be manipulated to some extent by adjusting the soil pH. Acidic soil conditions with a pH of around 5.5 to 6.0 tend to produce more intense blue flowers, while alkaline soil with a pH above 6.0 may result in pink or lavender blooms. It’s important to note that changing the soil pH takes time and may require amendments such as aluminum sulfate for lowering pH or lime for raising it.

Care: Hydrangea macrophylla ‘Nikko Blue’ thrives in well-draining soil that is rich in organic matter. It prefers consistently moist soil but not waterlogged conditions. Regular watering, especially during dry periods, is essential to keep the plant healthy and promote optimal flower production. Mulching around the base of the plant can help retain moisture and regulate soil temperature.

Pruning: Pruning is usually done after flowering. ‘Nikko Blue’ hydrangea blooms on old wood, which means that the flower buds develop on the previous year’s growth. Pruning too late in the season or during the wrong time can remove the flower buds and diminish flowering for the following year. It’s recommended to prune immediately after flowering or in early spring before new growth emerges.

Hardiness: In colder regions, the plant may require winter protection, such as mulching or wrapping with burlap, to shield it from harsh temperatures.

‘Nikko Blue’ is a popular choice for gardeners who desire stunning blue hydrangea flowers. Its vibrant color and compact size make it suitable for various landscape settings, including borders, foundation plantings, and containers.

Remember, the flower color of ‘Nikko Blue’ hydrangea can vary depending on soil conditions, so it’s essential to manage the pH if you prefer a specific color.

Delivery Times Ireland 3-5 working days


Height
40cm

Growth rate
40cm per year

Planting Distance
1 per metre

 

Height
40cm

 

Growth Rate
40cm per year

 

Planting Distance
1 per metre

 

47 in stock

47 in stock