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Hydrangea 'Merritt's Supreme'

Hydrangea 'Merritt's Supreme' is a spectacular mophead hydrangea admired for its exceptionally large rounded blooms in vibrant pink to blue tones depending on soil conditions. This impressive variety delivers bold long lasting summer colour and performs beautifully in New Zealand gardens. Ideal for borders feature planting and statement containers, it is perfect for gardeners wanting maximum floral impact.

Hydrangea 'Merritts Supreme' purple flower with lush, green foliage.

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Suited to regions:All regions
Plant type:Shrubs
Height:1.20 m
Spread:1.20 m
Flowering time:Summer, Autumn
Tolerances:Hardy
Garden uses:Containers, Hedging, Living areas
Garden styles:Alpine, Backyard, City & Courtyard, Formal, Frontyard, Japanese, Modern, Rock
Easy to grow?Yes
Maintenance requirementsSome
Growth rateMedium
Also known as
Sku14779

How to grow Hydrangea 'Merritt's Supreme' in NZ

To grow Hydrangea 'Merritt's Supreme' in NZ, plant it in a position with morning sun and afternoon shade or light filtered sun. Choose moist well drained soil enriched with organic matter. Planting in autumn or spring encourages strong root establishment. Water regularly during dry periods, especially in the first year, and mulch to retain soil moisture.

Hydrangea 'Merritt's Supreme' care tips

Hydrangea 'Merritt's Supreme' benefits from light pruning after flowering to remove spent blooms and maintain a tidy shape. Avoid heavy pruning as flowers form on older wood. Feed with a hydrangea fertiliser in spring to promote strong growth and large blooms. Keep soil consistently moist through summer for the best flowering performance.

Hydrangea 'Merritt's Supreme' size, spacing, and growth rate

Hydrangea 'Merritt's Supreme' typically grows to around 1.2 to 1.5 metres tall and wide forming a rounded shrub. Space plants approximately 1 to 1.2 metres apart in garden beds to allow airflow and full development. It has a moderate growth rate and gradually forms a lush flowering specimen.

Landscaping uses for Hydrangea 'Merritt's Supreme'

Hydrangea 'Merritt's Supreme' is ideal for cottage gardens mixed shrub borders and feature planting. The oversized blooms create dramatic seasonal colour and pair beautifully with perennials and shade loving plants. It also performs well in large containers near patios where bold summer interest is desired.

Why buy Hydrangea 'Merritt's Supreme' from The Plant Company?

When you buy Hydrangea 'Merritt's Supreme' from The Plant Company, you are choosing NZ’s most trusted plant nursery. Our plants are grown for New Zealand conditions and selected for strength and performance. We supply healthy well established plants provide expert growing advice and offer reliable nationwide delivery so you can plant with confidence.

Questions and Answers

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