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best blue hydrangea

Searching for the best blue hydrangea in New Zealand gardens? You’re not alone. The stunning blue blooms of hydrangeas add a dreamy touch to any landscape, catching the eye with their vibrant colour and lush petals. Whether you want a statement shrub for your front yard, a border for shaded areas, or a classic cottage garden staple, blue hydrangeas are a fantastic choice. With so many varieties available, it can be hard to decide which one suits your garden best. This guide will help you discover top blue hydrangea varieties, how to keep your blooms their brightest blue, and tips for creating a thriving hydrangea haven.

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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 $21.95

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
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
Wisteria 'Blue Sapphire' cluster of colourful blue flowers.
Wisteria 'Blue Sapphire'

Wisteria ‘Blue Sapphire’ is a stunning flowering climber prized for its long elegant racemes of rich blue violet flowers that appear in spring. This...

From$29.95
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$323.65
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
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$38.57
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$22.01
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
Cedrus atlantica 'Glauca' (Blue Atlas Cedar) tree with spectacular blue foliage.
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
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-mrs-kumiko-
Hydrangea 'Mrs Kumiko'

Hydrangea 'Mrs Kumiko' is a graceful deciduous shrub admired for its elegant flower heads and lush green foliage. Flowering generously through...

From$27.95
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
A Rosemary 'Blue Lagoon' shrub with blue flowers in a mixed planting.
Rosmarinus 'Blue Lagoon'

Rosmarinus ‘Blue Lagoon’ is a hardy, evergreen shrub prized for its aromatic foliage and vibrant deep blue flowers. Blooming from late winter through...

From$22.01
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
hydrangea-paniculata-levana-
Hydrangea paniculata 'Levana'

Hydrangea 'Levana' is a spectacular deciduous shrub admired for its enormous cone shaped flower heads and lush green foliage. Flowering abundantly...

From$27.95
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
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$21.95
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
Blueberry 'Powder Blue' blue berries with lush, green foliage.
Blueberry 'Powder Blue'

Blueberry 'Powder Blue' is a late season blueberry variety valued for its sweet flavour, firm berries, and extended harvest period. This reliable...

From$30.29
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$27.95
Hydrangea paniculata 'Kyushu' shrub with masses of white flowers.
Hydrangea 'Kyushu'

Hydrangea 'Kyushu' is a graceful deciduous shrub admired for its elegant white lacecap flowers and lush green foliage. Flowering through summer, this...

From$27.95
A Hydrangea 'Strawberries and Cream' red and cream flower.
Hydrangea 'Strawberries and Cream'

Hydrangea 'Strawberries and Cream' is a stunning deciduous shrub admired for its beautiful flower heads featuring soft pink and creamy white tones...

From$36.95
Lavender 'Sensation Blue' shrub with purple flowers above dark green foliage.
Lavender 'Sensation Blue'

Lavender 'Sensation Blue' is a standout lavender variety admired for its deep blue purple blooms and aromatic grey green foliage. Flowering from...

From$25.53
Orange 'Best Seedless' orange fruit with orange flesh.
Orange 'Best Seedless'

The ‘Best Seedless’ Orange is a superb variety prized for its deliciously sweet, seedless fruit and easy-to-peel skin. Perfect for New Zealand...

From$34.95
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 '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-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-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
Hydrangea macrophylla 'Blue Diamond' shrubs with masses of blue flowers and lush, dark green foliage.
Hydrangea 'Blue Diamond'

Hydrangea 'Blue Diamond' is a compact and hardy variety prized for its vivid blue mophead flowers that appear from early summer. Perfect for...

OUT OF STOCK
hydrangea-serrata-blue-deckle-1
Hydrangea 'Blue Deckle'

Hydrangea 'Blue Deckle' is a refined lacecap hydrangea valued for its delicate blue flower centres surrounded by pale 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 - Cupressus, Dichroa, and Hydrangea, or related Categories - Deciduous Climbers, Conifer Trees, and Indoor Plants.

Search best blue hydrangea

Top Blue Hydrangea Varieties for New Zealand Gardens

If your goal is to find the best blue hydrangea, start with proven performers. Some blue hydrangea varieties stand out for their reliable colour, robust growth, and gorgeous flower heads. Here are a few favourites:

How to Keep Your Hydrangeas Blue

The secret to achieving and maintaining blue hydrangea blooms is soil pH. Hydrangea flowers turn blue most intensely in acidic soils (pH below 6), while alkaline soils push blooms toward pink or mauve. For the best blue hydrangea colour, add soil acidifiers like aluminium sulphate or use pine needles and peat moss as mulch. Regular soil testing helps you adjust nutrients and pH to keep your hydrangeas their brightest blue.

Also, choose sheltered positions out of harsh afternoon sun, and keep your hydrangeas well-watered, especially during dry spells. These shrubs enjoy moist, well-drained soil and thrive in areas protected from strong winds.

Planting and Care Tips for Blue Hydrangeas

Plant blue hydrangeas in autumn or spring when soil is workable and temperatures are milder. Space shrubs to allow airflow, water deeply at planting, and apply a thick mulch to retain moisture. Prune after flowering to remove faded blooms and encourage bushier growth next season.

If you’re searching for the best blue hydrangea, explore our selection and bring a burst of colour to your garden. Whether you prefer the classic lacecap of Hydrangea Nightingale, mophead beauty of Hydrangea Mariesii Perfecta, or the unique evergreen form of Dichroa Blue Stars (Evergreen Hydrangea), you’ll find a blue hydrangea to suit every garden style and space.

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.
Griselinia 'Ardmore Emerald' and Buxus sempervirens 'Silver Beauty' (Silver Boxwood) are classic choices, but adventurous gardeners will enjoy Sisyrinchium californicum, Loropetalum chinense, and Trachycarpus fortunei (Chinese Windmill Palm).
–The Plant Company

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