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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.

From $30.29

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
Gorgeous Hydrangea macrophylla 'Ayesha' pink flowers.

Hydrangea 'Ayesha'

5 from 1 customers

Hydrangea 'Ayesha' is a distinctive variety prized for its lilac-like flower clusters and subtle fragrance. The waxy, spoon-shaped petals and glossy green foliage give this shrub an elegant presence in shaded borders, woodland gardens, or containers.

From $27.95

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, Cottage, Formal, Frontyard, Japanese, Modern, Rock
A purple-blue Hydrangea 'Renate Steiniger' flower.
Hydrangea 'Renate Steiniger'

Hydrangea 'Renate Steiniger' is a stunning deciduous shrub admired for its vibrant rounded flower heads and lush green foliage. Flowering abundantly...

From$27.95
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$27.95
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$27.95
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$30.29
Aquilegia Blue Barlow cluster of blue flowers.
Aquilegia 'Blue Barlow' (Columbine)

Aquilegia 'Blue Barlow' is a classic perennial admired for its elegant double deep blue flowers that appear in late spring and early summer. This...

From$30.29
Large Jacaranda mimosifolia tree with blue flowers.
Jacaranda mimosifolia (Blue Jacaranda)

Jacaranda mimosifolia, commonly known as the Blue Jacaranda tree, is a tropical-looking tree that is widely planted because of its beautiful and...

From$494.05
juncus-blue-dart-
Juncus 'Blue Dart' (Blue Rush)

Juncus 'Blue Dart' is a striking ornamental rush prized for its upright blue green foliage and strong architectural form. This hardy evergreen plant...

From$18.29
Salvia 'Aztec Blue' plants with elegant blue flowers above green foliage.
Salvia 'Aztec Blue'

Salvia 'Aztec Blue' is an eye catching perennial admired for its bold cobalt blue flower spikes that bloom heavily from late spring through autumn in...

From$27.53
A Picea pungens 'Glauca' (Colorado Blue Spruce) tree.
Picea pungens Glauca

Picea pungens 'Glauca', commonly known as the Colorado Blue Spruce, is a blue coloured conifer that grows with a broad and open, pyramidal shape. The...

From$515.35
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$27.95
Westringia 'Blue Gem' low hedge with elegant mauve coloured flowers.
Westringia 'Blue Gem'

Westringia 'Blue Gem' is a hardy evergreen shrub admired for its fine grey green foliage, naturally dense rounded habit, and masses of soft blue...

From$18.95
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Hydrangea 'Alpen Gluten'

Hydrangea 'Alpen Gluten' is a striking deciduous shrub known for its large flower heads that bring bold colour and presence to NZ gardens. Flowering...

From$27.95
Nepeta 'Blue Wonder' plant with blue flowers.
Nepeta 'Blue Wonder' (Catmint)

Nepeta 'Walker's Low' is an award winning Catmint admired for its long flowering season and aromatic grey green foliage. From late spring through...

From$17.87
hydrangea-macrophylla-geoffrey-chadbund-1
Hydrangea 'Geoffrey Chadbund'

Hydrangea 'Geoffrey Chadbund' is a beautiful deciduous shrub admired for its large rounded flower heads and lush green foliage. Flowering through...

From$27.95
Cedrus atlantica 'Glauca' (Blue Atlas Cedar) large specimen tree in a park.
Cedrus atlantica 'Glauca'

Cedrus atlantica 'Glauca', also known as Blue Atlas Cedar, is a striking evergreen conifer ideal for New Zealand gardens. Its silvery-blue needles...

From$340.69
hydrangea-macrophylla-masja-
Hydrangea 'Masja'

Hydrangea 'Masja' is a compact deciduous shrub admired for its vibrant rounded flower heads and lush dark green foliage. Flowering abundantly through...

From$27.95
cupressus-blue-ice-4
Cupressus 'Blue Ice' (Blue Arizona Cypress)

Cupressus 'Blue Ice' is a striking evergreen conifer admired for its vibrant icy blue foliage and strong upright growth habit. This hardy tree...

From$270.40
A 'Annabelle' Hydrangea informal hedge with masses of white flowers.
Hydrangea 'Annabelle'

The ‘Annabelle’ Hydrangea is a stunning deciduous shrub admired for its large, snowball-like white flower heads that appear from summer into autumn...

From$27.95
Agapanthus 'Blue Finn' blue flower.
Agapanthus 'Blue Finn'

Agapanthus 'Blue Finn' is a compact, evergreen variety prized for its deep blue blooms and tidy, clumping habit. This hardy perennial adds a burst of...

From$22.95
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$21.95
Thuja orientalis 'Blue Cone' shrubs with green foliage in pots.
Thuja orientalis 'Blue Cone'

Thuja 'Blue Cone' is a dwarf conifer that features dense and erect sprays of green foliage. It gets its name from the blue cones produced during...

From$289.95
hosta-blue-mouse-ears--5
Hosta 'Blue Mouse Ears'

Hosta 'Blue Mouse Ears' is a compact perennial prized for its rounded blue green foliage and tidy growth habit. It is an excellent choice for adding...

From$24.77
azalea-blue-danube--1
Azalea 'Blue Danube'

Azalea 'Blue Danube' is a striking evergreen azalea admired for its masses of rich purple blue flowers and lush green foliage. This compact shrub...

From$18.85
An upright Rosemary 'Tuscan Blue' shrub with blue flowers in a Mediterranean themed garden.
Rosmarinus 'Tuscan Blue'

The 'Tuscan Blue' Rosemary is a fast-growing and upright variety that features petite, sky-blue flowers borne amidst the dark green leaves through...

From$22.01
eucalyptus-baby-blue-2
Eucalyptus 'Baby Blue' (Silver Gum)

Eucalyptus 'Baby Blue' is a highly popular evergreen tree admired for its stunning silver blue foliage and strong ornamental appeal. The rounded...

From$408.85
Dichroa versicolor blue flowers amidst lush green foliage.
Dichroa versicolor (Blue Evergreen Hydrangea)

Dichroa versicolor is a striking evergreen shrub admired for its clusters of vibrant blue to violet flowers followed by glossy metallic blue berries...

OUT OF STOCK
hydrangea-macrophylla-blaumeise-4
Hydrangea 'Blaumeise'

Hydrangea 'Blaumeise' is a striking lacecap hydrangea known for its rich blue flower heads that create a refined and elegant display in NZ gardens...

OUT OF STOCK
Hydrangea 'Flower Master Blue' plants in a country garden and covered in blue flowers.
Hydrangea 'Flower Master Blue'

Hydrangea 'Flower Master Blue' is a striking deciduous shrub known for its large rich blue mophead flowers that create bold summer colour in New...

OUT OF STOCK
hydrangea-macrophylla-birgit-blue-
Hydrangea 'Birgit Blue'

Hydrangea 'Birgit Blue' is a stunning deciduous shrub known for its rich blue flower heads that create a bold and eye catching display in NZ gardens...

OUT OF STOCK
hydrangea-macrophylla-blue-wave-2
Hydrangea 'Blue Wave'

Hydrangea 'Blue Wave' is a stunning lacecap hydrangea known for its vibrant blue flower centres surrounded by delicate outer florets. Flowering...

OUT OF STOCK
Dichroa Blue Stars (Evergreen Hydrangea)

Did you find what you are looking for?

You might be interested in exploring related Latin Names - Aquilegia, Dichroa, and Hydrangea, or related Categories - Grasses, Perennials, and Deciduous Shrubs.

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.

Illustration of plant leaves.
Ficus 'Black Knight' and Rose 'Flower Carpet White' are classic choices, but adventurous gardeners will enjoy Prunus mume 'The Geisha', Gardenia 'Professor Pucci', and Phormium 'Surfer Bronze'.
–The Plant Company

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