Hydrangea macrophylla ‘Nikko Blue’ – Mophead Blue Bigleaf Hydrangea Shrub

Hydrangea macrophylla ‘Nikko Blue’ is a striking mophead hydrangea cultivar known for its lush, rounded flower heads that bloom in deep blue in acidic soil, or shift toward lavender‑pink when grown in less acidic conditions. This deciduous shrub delights from early summer through to autumn, offering bold colour and garden presence in borders, containers, or shady corners.

🌟 Features:

• Botanical Name: Hydrangea macrophylla ‘Nikko Blue’

• Flower Type: Mophead – large, dome‑shaped clusters of sterile florets

• Colour Variation: Deep true blue in acidic soil; shifts to lavender or pink under neutral to alkaline soil pH

• Bloom Time: Early summer into autumn

• Habit & Size: Bushy, rounded shrub; grows about 1.2‑1.5 m tall and wide (roughly 4‑5 ft)

• Foliage: Broad, serrated, dark green leaves that contrast beautifully with flowers

• Light & Soil Needs: Prefers partial shade; well‑drained, moist, rich soil; shelter from strong, drying winds

• Hardiness: Tolerant of temperate climates; with proper care will flourish for many seasons

🌿 Why You Should Buy It:

• Eye‑catching colour that varies with soil, giving you control over appearance

• Large, showy blooms that make a statement in the garden or on patios

• Long bloom period for extended visual impact

• Ideal for gardeners who love classic hydrangeas and want reliable flowering

• Suitable for containers or garden borders

🧼 Care Instructions:

• Planting: Plant in spring or autumn; dig in organic compost to enrich soil

• Watering: Keep evenly moist; hydrangeas dislike drought, especially during bud development

• Feeding: Use balanced fertiliser in spring; acidifying feeds or soil amendments help maintain blue tones

• Pruning: Prune immediately after flowering (on old wood) to avoid removing next year’s buds

• Soil pH Tip: For vibrant blue blooms, maintain acidic soil (pH below ~6); test soil and amend as needed

❓ FAQs: