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blue hydrangea tree

The blue hydrangea tree is a stunning addition to any New Zealand garden, famous for its lush, globe-shaped clusters of vibrant blue flowers displayed atop attractive woody stems. While the term "blue hydrangea tree" commonly refers to hydrangeas pruned into a tree form, these beloved shrubs naturally lend themselves to both shrub and small tree shapes with the right care and training. Their show-stopping flowers light up shaded and partly sunny spots from late spring well into summer, making them favourites for borders, cottage gardens, and statement container displays. For gardening enthusiasts who appreciate colour as well as structure, few plants can match the blue hydrangea tree’s versatility and allure.

dichroa-blue-stars--1

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
A purple-blue Hydrangea 'Renate Steiniger' flower.

Hydrangea 'Renate Steiniger'

5 from 1 customers

Hydrangea 'Renate Steiniger' is a stunning deciduous shrub admired for its vibrant rounded flower heads and lush green foliage. Flowering abundantly through summer, this eye catching hydrangea creates a brilliant display of seasonal colour that brightens New Zealand gardens and outdoor spaces.

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, Formal, Frontyard, Japanese, Modern, Rock
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$21.95
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
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
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
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
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
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
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
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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 Princess Juliana young, cream coloured flowers.
Hydrangea 'Princess Juliana'

Hydrangea 'Princess Juliana' is a beautiful deciduous shrub admired for its large rounded flower heads and lush green foliage. Flowering generously...

From$27.95
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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
prostanthera-eddington-blue-
Prostanthera 'Eddington Blue'

Prostanthera 'Eddington Blue' is a stunning evergreen shrub admired for its masses of vibrant blue mauve flowers and highly aromatic foliage. This...

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
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
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
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$14.50
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
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
cedrela-sinensis-flamingo-7
Cedrela sinensis 'Flamingo' (Toon Tree)

Cedrela sinensis 'Flamingo' (Toon Tree) is a spectacular deciduous tree prized for its striking flushes of vibrant pink foliage that mature through...

From$28.91
tree-and-shrub-fertiliser-
Tree Fertiliser (Tree Fertiliser)

Using tree fertiliser results in plants having better quality foliage, more profuse flowering, stronger stems, and a much healthier and brighter...

From$13.40
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
Melia azedarach tree.
Melia azedarach (Bead Tree)

Melia azedarach (Bead Tree, White Cedar) is a graceful deciduous tree valued for its attractive fern like foliage, fragrant clusters of lilac...

From$387.55
Liriodendron tulipifera 'Fastigiata' trees with yellow foliage in autumn.
Liriodendron tulipifera 'Fastigiata' (Tulip Tree)

Liriodendron tulipifera fastigiata, also known as the Upright Tulip Tree, is a stunning deciduous tree admired for its narrow, columnar form. It...

From$515.35
Stunning, dark blue flowers on Salvia 'Blue Angel].
Salvia 'Blue Angel'

Salvia 'Blue Angel' is a beautiful perennial known for its soft blue flower spikes that appear generously across summer and autumn in New Zealand...

From$27.53
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
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
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$18.95
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
ulmus-lobel-
Ulmus 'Lobel' (Dutch Elm Tree)

Ulmus 'Lobel' is a refined deciduous elm valued for its narrow upright form, dense green foliage, and excellent suitability as an avenue or specimen...

From$557.95
Dichroa Blue Stars (Evergreen Hydrangea)

Did you find what you are looking for?

You might be interested in exploring related Latin Names - Dichroa, Hydrangea, and Jacaranda, or related Categories - Deciduous Climbers, Indoor Plants, and Deciduous Shrubs.

Search blue hydrangea tree

What Is a Blue Hydrangea Tree?

When gardeners talk about a blue hydrangea tree, they’re often referring to Hydrangea macrophylla varieties pruned and trained as single-stem "standards" or small trees. Although hydrangeas are naturally multi-stemmed shrubs, patient pruning encourages them to grow into beautiful, tree-like shapes perfect for patios, pathways, and feature planting. The standout trait, of course, is their outrageously blue blooms, which dazzle when soil acidity is right. These flowers attract pollinators and create striking focal points outdoors.

Popular Blue Hydrangea Varieties

There's a wide range of hydrangeas especially suited to New Zealand’s climate that can be grown as blue hydrangea trees. Some top choices include:

All of these varieties thrive when provided with rich, well-drained soil and shade from the harshest afternoon sun.

Growing and Caring for Your Blue Hydrangea Tree

To cultivate a brilliant blue hydrangea tree, select a site with morning sun and protection from hot, drying winds. Hydrangeas prefer moist but well-drained soils with a lower pH (more acidic) to encourage blue flowers. Many New Zealand gardeners amend their soil with peat, compost, or a sprinkle of aluminium sulfate to enhance blue tones.

Train your plant to a tree shape by removing lower stems while it’s young, and prune annually just after the flowers fade to maintain a tidy form. Regular deep watering, mulching, and feeding with a hydrangea fertiliser will support lush blooms and healthy foliage throughout the growing season.

Discover More Blue Hydrangeas

If you love the look of a blue hydrangea tree, explore our full range of beautiful blue-flowered hydrangeas including Hydrangea Blue Wave, Hydrangea Blue Deckle, Hydrangea Mariesii Perfecta, Hydrangea Nightingale, and the versatile Dichroa Blue Stars (Evergreen Hydrangea). Whether you prefer a tree form or classic shrub shape, there’s a blue hydrangea perfect for your garden.

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.

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