Nikko Blue Hydrangea – Hydrangea macrophylla ‘Nikko Blue’

The Early Blue Hydrangea, Hydrangea macrophylla ‘Early Blue’, native to Japan, is known for its vibrant blue flowers and early blooming season.

Features ‘Early Blue’ is notable for its beautiful, round flower heads that bloom early in the summer. The colour of the flowers ranges from deep blue to purple, depending on the soil’s pH level. Acidic soils enhance the blue hue, while alkaline soils can turn them more purple. This hydrangea has a moderate growth rate with large, lush green leaves. It does not bear fruits or nuts. The plant has a smooth bark and a sturdy root system. The foliage remains vibrant green throughout the growing season, and the plant is thornless.

Benefits for Nature Early Blue Hydrangea attracts pollinators such as bees and butterflies with its early-blooming flowers. Although it doesn’t produce significant nectar, the dense foliage provides shelter for small wildlife. The plant is generally non-toxic, making it a safe addition to wildlife-friendly gardens.

Landscaping and Design In landscaping, Early Blue Hydrangea is valued for its early blooming and vivid blue flowers, making it an excellent choice for garden borders, mixed beds, and as a standalone feature. It complements both formal and informal garden styles, particularly when paired with plants that have lighter or contrasting foliage.

Preferred Conditions Early Blue Hydrangea thrives in moist, well-drained soil and prefers partial sun to partial shade. Acidic soil conditions enhance its blue flower colour, achievable by using soil amendments like aluminium sulphate. Regular watering is essential, especially during dry periods. The plant is somewhat wind-resistant and can tolerate urban pollution. Unlike some hydrangeas, the intense blue colour of ‘Early Blue’ can be maintained and enhanced with careful soil pH management, making it a gardener’s favourite for consistent blue blooms.

Fun Fact about Early Blue Hydrangea An interesting fact about Early Blue Hydrangea is its ability to bloom earlier than many other hydrangea varieties, bringing vibrant colour to gardens at the start of the summer season, a time when most other hydrangeas have yet to flower.

Summary The Early Blue Hydrangea, originating from Japan, is prized for its early-blooming, vibrant blue flowers. Ideal for a variety of garden designs, it attracts pollinators, thrives in moist, well-drained soil, and its flower colour can be intensified with acidic soil conditions, making it a standout amongst hydrangeas.