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blu hydrangea

Looking for the perfect blu hydrangea to add a burst of colour to your New Zealand garden? Blu hydrangeas are renowned for their captivating blue tones, lush blooms, and their ability to brighten shady corners or garden borders. These versatile shrubs make an exceptional choice for gardeners who crave dynamic summer displays, as well as those seeking reliable structure and texture throughout the growing season. Whether you’re refreshing your landscape, searching for container-friendly varieties, or starting a hydrangea collection, this page will guide you to the best blu hydrangea selections—and help you achieve extraordinary results.

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Dichroa Blue Stars (Evergreen Hydrangea)

5 from 4 customers

Dichroa 'Blue Stars' is a striking evergreen shrub admired for its clusters of intense blue star shaped flowers followed by brilliant metallic blue berries. The combination of vivid blooms and glossy fruit creates outstanding seasonal interest from summer into autumn. Ideal for New Zealand gardens, this unique shrub adds bold colour, texture, and year round structure to sheltered borders and woodland style plantings.

Suited to regions: All regions
Plant type: Shrubs
Height: 1.50 m
Spread: 1.50 m
Flowering time: Spring, Summer
Tolerances: Hardy
Garden uses: Living areas, Pool areas
Garden styles: Alpine, Backyard, City & Courtyard, Frontyard, Japanese, Modern, Rock
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Hydrangea Nightingale

5 from 3 customers

Hydrangea 'Nightingale' is a graceful lacecap hydrangea known for its soft blue fertile florets surrounded by delicate pale blue sterile flowers. This elegant bloom structure is complemented by lush green foliage, making it ideal for cottage gardens, woodland borders, or shaded areas. ‘Nightingale’ thrives in part-shade with moist, well-drained, slightly acidic soil and performs beautifully in New Zealand conditions. Its refined flower form and gentle colouring add a timeless charm to any garden setting.

Suited to regions: All regions
Plant type: Shrubs
Height: 1.20 m
Spread: 1.20 m
Flowering time: Spring, Summer, Autumn
Tolerances: Hardy
Garden uses: Containers, Hedging, Living areas
Garden styles: Alpine, Backyard, City & Courtyard, Cottage, Formal, Frontyard, Japanese, Modern, Rock
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Hydrangea Mariesii Perfecta

Hydrangea 'Mariesii Perfecta' is a stunning lacecap hydrangea celebrated for its vivid blue or pink outer florets surrounding fertile central blooms...

From$29.63
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Hydrangea Blue Wave

Hydrangea 'Blue Wave' is an elegant lacecap variety known for its soft sky-blue fertile florets surrounded by paler, petal-like sepals. This graceful...

From$29.63
A purple-blue Hydrangea 'Renate Steiniger' flower.

Hydrangea Renate Steiniger

Hydrangea 'Renate Steiniger' is a vibrant mophead variety renowned for its large, vivid blue flower heads when grown in acidic soil. Its strong stems...

From$29.63
Gorgeous Hydrangea macrophylla 'Ayesha' pink flowers.

Hydrangea Ayesha

Hydrangea 'Ayesha' is a distinctive variety prized for its lilac-like flower clusters and subtle fragrance. The waxy, spoon-shaped petals and glossy...

From$29.63
Hydrangea 'Blueberries and Cream' blue flower with cream-coloured florets.

Hydrangea 'Blueberries and Cream'

Hydrangea 'Blueberries and Cream' is a stunning deciduous shrub admired for its beautiful lacecap flowers featuring creamy white outer florets...

From$29.63
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Hydrangea Blue Deckle

Hydrangea 'Blue Deckle' is a graceful lacecap hydrangea admired for its soft blue florets and finely serrated petal edges that lend a delicate...

From$29.63
Hydrangea 'Mariko' purple and white flower.

Hydrangea Mariko

Hydrangea 'Mariko' is a compact and elegant variety that produces clusters of soft pink or blue flowers, depending on soil pH. Perfect for smaller...

From$29.63
Hydrangea 'Libelle' lacecap white and blue flowers.

Hydrangea Libelle

Hydrangea 'Libelle' is a graceful lacecap hydrangea renowned for its pure white sterile florets that elegantly frame a centre of tiny fertile...

From$29.63
Beautiful purple flowers on the Hydrangea Bloody Marvellous.

Hydrangea Bloody Marvellous

Hydrangea 'Bloody Marvellous' lives up to its name with spectacular deep red blooms that create a bold statement in any garden. This red-flowering...

From$29.63
Podocarpus 'Matapouri Blue' hedge.

Podocarpus Matapouri Blue (Blue Tōtara)

Podocarpus ‘Matapouri Blue’, also known as Blue Totara, is a stunning New Zealand native tree prized for its striking blue-green foliage and tidy...

From$432.79
Dianella revoluta 'Blue Twist' plant.

Dianella Blue Twist

Dianella Blue Twist bears spikes that may reach 1 m in length carrying delicate, light blue flowers. These are held above the blue-green, strap-like...

From$18.83
prostanthera-eddington-blue-

Prostanthera Eddington Blue (Mint Bush Plant)

Prostanthera Eddington Blue is an evergreen shrub grown for its foliage and flowers. It features small and glossy, green leaves which are highly...

From$26.93
Pittosporum 'Wrinkled Blue' speciment tree.

Pittosporum 'Wrinkled Blue'

Pittosporum ‘Wrinkled Blue’ is an attractive, upright evergreen tree known for its distinctive blue-grey foliage and dense, columnar growth habit...

From$21.53
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Brunfelsia Blue Moon (Yesterday Today and Tomorrow Flower)

Brunfelsia Blue Moon, commonly known as the Yesterday Today and Tomorrow Flower, features masses of sweetly fragrant, pansy like flowers are produced...

From$26.93
phlebodium-blue-star-

Phlebodium aureum Blue Star (Blue Star Fern)

The Blue Star Fern features wavy leaves that are a blue-green colour. This popular indoor plant grows as a clump to about 30 cm tall and the same...

From$37.73
Hydrangea serrata 'Preziosa' cream coloured flower above dark green foliage.

Hydrangea serrata Preziosa

Hydrangea serrata 'Preziosa' is a captivating lacecap variety that evolves in colour throughout the season, starting with pink blooms that deepen to...

From$29.63
helicotrichon-sempervirens-3

Helictotrichon sempervirens (Blue Oatgrass)

Helictotrichon sempervirens, commonly known as Blue Oatgrass, is a lovely and popular ornamental grass featuring distinct, blue foliage. It grows as...

From$16.88
Liriope muscari 'Blue Skies' plant with blue flowers and green foliage in a garden.

Liriope 'Blue Skies'

Liriope 'Blue Skies' is a blue-flowering Liriope that forms a tidy clump and features strap-like, dark green leaves. Flower spikes rise above the...

From$18.83
Hydrangea macrophylla 'Leuchtfeuer' pink and cream-coloured flowers.

Hydrangea 'Leuchtfeuer'

Hydrangea 'Leuchtfeuer' is a vibrant mophead hydrangea celebrated for its large rounded blooms in intense deep red to crimson tones. This striking...

From$29.63
hydrangea-paniculata-levana-

Hydrangea paniculata Levana

Hydrangea 'Levana' is a commanding paniculata variety known for its exceptionally large, upright panicle blooms that emerge creamy white and age to...

From$29.63
Hydrangea paniculata 'Candlelight' showy, pink and white flowers.

Hydrangea 'Candlelight'

Hydrangea 'Candlelight' is an award-winning deciduous shrub known for its striking conical flower heads that emerge creamy white in summer and...

From$29.63
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Juncus Blue Dart (Blue Rush)

Juncus Blue Dart is a popular ornamental grass that features rigid leaves that are a fantastic shade of blue. It typically grows to 30 cm tall and...

From$17.89
cupressus-blue-ice-4

Cupressus Blue Ice (Blue Arizona Cypress)

Cupressus Blue Ice is a popular and versatile plant suitable for New Zealand gardens, offering year-round interest and unique appeal.

From$176.17
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Hydrangea quercifolia Snowflake

Hydrangea quercifolia 'Snowflake' is a spectacular oakleaf hydrangea, prized for its large, cascading double white flower panicles that bloom in...

From$29.63
Hydrangea 'You Me Together' flower with cream and pink florets.

Hydrangea 'You Me Together'

Hydrangea 'You Me Together' is a beautiful compact shrub admired for its fully double pink flower heads that create a lush romantic display through...

From$29.63
Hydrangea Princess Juliana young, cream coloured flowers.

Hydrangea Princess Juliana

Hydrangea 'Princess Juliana' is a refined mophead variety celebrated for its large, pure white flower heads and classic garden appeal. The clean...

From$29.63
Hydrangea 'Bridal Bouquet' elegant cream-white flowers.

Hydrangea Bridal Bouquet

Hydrangea 'Bridal Bouquet' is a graceful and timeless variety featuring pure white mophead blooms that evoke elegance and charm. This classic shrub...

From$29.63
A Hydrangea 'Merveille Sanguine' shrub displaying showy, red flowers with purple foliage.

Hydrangea Merveille Sanguine

Hydrangea 'Merveille Sanguine' is a dramatic mophead variety known for its rich burgundy-red flower heads and deep green to bronzed foliage. This...

From$29.63
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Hydrangea Masja

Hydrangea 'Masja' is a compact mophead hydrangea known for its vibrant rose-pink blooms and tidy, rounded shape—perfect for small gardens, borders...

From$26.93
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Hydrangea Geoffrey Chadbund

Hydrangea 'Geoffrey Chadbund' is a charming mophead variety featuring rich pink flower heads that bring classic elegance to any garden space. With a...

From$29.63
Dichroa Blue Stars (Evergreen Hydrangea)

Did you find what you are looking for?

You might be interested in exploring related Latin Names - Brunfelsia, Cupressus, Dianella, Dichroa, Helictotrichon, Hydrangea, Juncus, Liriope, Phlebodium, Pittosporum Podocarpus and Prostanthera, or related Categories - Conifer Trees, Flaxes, Grasses, Indoor Plants, Deciduous Shrubs Evergreen Shrubs and Evergreen Trees.

Search blue hydrangea

Why Choose a Blu Hydrangea?

Blu hydrangeas are prized for their large, globe-shaped or lacecap flowers that range from deep sapphire to pale sky blue, depending on soil acidity. The vivid blue shades add contemporary elegance and classic charm to any garden, patio, or entryway. Ideal for borders, woodland gardens, or mixed shrub plantings, these hydrangeas also make outstanding cut flowers for indoor arrangements. Adjusting your soil pH can further enhance their blue tones, giving you control over your garden palette.

Hydrangeas thrive in New Zealand’s temperate climate, enjoying part shade and moist, well-drained soil. Their adaptability and robust growth make them suitable for novice gardeners and seasoned pros alike.

Best Varieties for Stunning Blue Blooms

For those seeking distinctive blue varieties, several cultivars stand out:

For those interested in expanding their hydrangea collection, consider Dichroa Blue Stars (Evergreen Hydrangea). This evergreen variety offers year-round interest and starry blue blooms, adding extra versatility and resilience to the garden.

How to Grow and Care for Blu Hydrangea

Blu hydrangea care starts with the right site and soil. Choose locations with morning sun and afternoon shade—hydrangeas appreciate shelter from the hottest midday rays. Keep soil consistently moist, and mulch to retain water and suppress weeds.

To intensify blue flower colour, aim for acidic soil (pH 5.0–5.5). Add garden sulfur or aluminium sulfate to adjust pH if needed. Fertilise in spring with a balanced slow-release plant food.

Pruning isn’t complicated: remove spent blooms after flowering, and trim old or damaged wood in winter for a neat, healthy shrub. With these steps, you’ll enjoy flourishing blu hydrangea displays season after season.

Explore More Unique Hydrangea Varieties

Interested in hydrangeas beyond blue? Discover Hydrangea Nightingale, a standout with elegant, richly coloured blooms. Whether you’re looking for an eye-catching centrepiece or a reliable performer for shade, our selection ensures every garden finds its perfect match.

Embrace the beauty and ease of blu hydrangea—your New Zealand garden will thank you with spectacular displays all summer long.


Contact us

Whether you need assistance finding the plant you’re looking for or you simply want to know more about who we are and what we do, we invite you to get in touch with us today. A member of The Plant Company team will get back in touch as soon as possible.

–The Plant Company

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