Hydrangea macrophylla 'Nikko Blue' (classic)

Hydrangea macrophylla 'Nikko Blue' is a classic and beloved variety of the hydrangea plant. With its beautiful single flowers and stunning color variations, it is a popular choice for gardeners and flower enthusiasts alike.

The flowers of this hydrangea variety have a unique green to light green color, specifically classified as N144D. They have a moderate size, with a diameter of approximately 3.5 to 4 centimeters. The inflorescence, or flower cluster, is hemispherical in shape, adding to the overall visual appeal of the plant.

The leaves of Hydrangea macrophylla 'Nikko Blue' are another standout feature, measuring between 15 and 20 centimeters in size. The main color of the leaves is a rich, dark green, complementing the vibrant flowers perfectly.

One of the key factors to consider when growing this hydrangea variety is the soil pH. 'Nikko Blue' thrives in soil that is neutral, with a pH range of 6.5 to 7.5. However, it can also tolerate slightly acidic soil with a pH of 4.5 to 6.5, as well as alkaline soil with a pH above 7.5. This flexibility makes it a versatile option for various types of landscapes.

When it comes to light conditions, Hydrangea macrophylla 'Nikko Blue' prefers a mix of sunny and semi-shaded areas. It thrives when exposed to sunlight for part of the day, but also benefits from some shade to protect it from excessive heat.

The inflorescence of this hydrangea variety is another striking feature, measuring between 20 and 25 centimeters in diameter. The cohesive arrangement of the flowers creates a visually pleasing display.

The flower color distribution of 'Nikko Blue' is unicolored, meaning the flowers are primarily green with a subtle trace of another color. In this case, the secondary color is a lighter shade of green, specifically classified as 144B.

It is important to note that while Hydrangea macrophylla 'Nikko Blue' is safe for humans, it may be toxic if consumed in large quantities by pets or livestock. However, the toxicity level is generally low, making it a relatively safe choice for households with pets or children.

This hydrangea variety has moderate moisture requirements, preferring well-drained soil that allows excess water to flow away. It also benefits from a moist environment, but it is important to avoid waterlogging, as this can lead to root rot and other issues.

In conclusion, Hydrangea macrophylla 'Nikko Blue' is a classic and visually stunning variety of hydrangea. With its single flowers, green to light green color, and hemispherical inflorescence, it adds beauty and elegance to any garden or landscape. Its flexible soil pH requirements, preference for sunny to semi-shaded areas, and moderate moisture needs make it a versatile and popular choice among gardeners. So, if you're looking to add a touch of charm to your outdoor space, consider planting this exquisite hydrangea variety.

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