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giant allium plants for sale

Transform your garden with breathtaking displays when you add giant allium plants. Their stunning globe-shaped blooms tower above the rest, offering structure, height, and vibrant colour from late spring into early summer. If you've been searching for giant allium plants for sale in New Zealand, you're in the right place. Giant alliums are easy to grow, bee-friendly, and make a striking statement in both cottage and modern landscapes. These architectural perennials thrive in well-draining soil and sunny spots, rewarding you with spectacular flowers that come back year after year.

Corokia 'Geentys Giant' green leaves.

Corokia 'Geenty's Giant'

Corokia 'Geenty's Giant' is a hardy, NZ native shrub that bears green-yellow foliage held densely on slender, upright branches. Masses of small, mildly fragrant, yellow flowers are produced through summer and are followed by small, yellow berries in autumn. This evergreen typically grows to 3 m tall and the same wide, and can be trimmed as necessary. Corokia 'Geenty's Giant' is commonly trimmed into a hedge, but also makes a great addition to a mixed planting or is used for planting on those difficult-to-grow sites.

Suited to regions: All regions
Plant type: Shrubs
Height: 3.00 m
Spread: 3.00 m
Flowering time: Spring
Tolerances: Coastal, Hardy, Wind
Garden uses: Hedging, Screening
Garden styles: Alpine, Backyard, City & Courtyard, Coastal, Formal, Frontyard, Modern, Native, Riparian
Alcantarea imperialis (Giant Bromeliad) plant with a large red flower.

Alcantarea imperialis

5 from 1 customers

Alcantarea imperialis, commonly known as the Giant Bromeliad, is a striking architectural plant prized for its massive rosette of broad, silver green leaves. Native to Brazil, it thrives in New Zealand’s warmer regions and is well suited to both garden landscapes and large containers. This bromeliad can reach over a metre in diameter and produces tall, dramatic flower spikes. With its bold form and exotic character, Giant Bromeliad makes a stunning focal point in any setting.

Suited to regions: Subtropical, Temperate
Plant type: Bromeliads
Height: 1.00 m
Spread: 1.00 m
Flowering time: Summer
Garden uses: Borders, Containers, Living areas, Paths & Steps, Pool areas
Garden styles: Architectural, Backyard, City & Courtyard, Frontyard, Japanese, Modern, Tropical
A Protea cynaroides (King Protea) flower.
Protea cynaroides (King Protea)

Protea cynaroides, commonly known as the King Protea or Giant Protea, features flowers with deep crimson bracts and a cream-coloured centre from...

From$44.09
Juncus pallidus (Giant Rush) plants in a landscaped garden.
Juncus pallidus (Giant Rush)

Juncus pallidus, commonly known as the Giant Rush, features erect, dark green leaves and grows as a tidy clump, reaching approximately 75 cm in...

From$16.49
A Cornus controversa (Giant Dogwood) specimen tree.
Cornus controversa

Cornus controversa, commonly known as the Giant Dogwood, is a medium-sized, deciduous tree that features lush foliage that emerges mid-green in...

From$383.29
Doryanthes palmeri plant in a garden with a large red flower.
Doryanthes palmeri

Doryanthes palmeri (Giant Spear Lily) is a dramatic architectural plant admired for its massive sword like foliage and spectacular towering flower...

From$141.02
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Sequoiadendron giganteum

Sequoiadendron giganteum (Giant Redwood) is one of the world’s most impressive and majestic conifer trees, valued for its towering growth habit, rich...

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A large planting of Stipa gigantea (Golden Oat Grass) as a feature garden.
Stipa gigantea

Stipa gigantea, commonly known as the Golden Oat Grass, is a large, ornamental grass. It grows as a clump and produces narrow, dark green leaves. The...

From$15.11
Cyperus ustulatus growing in water.
Cyperus ustulatus (Giant Umbrella Sedge)

Cyperus ustulatus, commonly known as the Giant Umbrella Sedge, is a large and robust NZ native grass. It grows as a clump and produces dark green...

From$17.25
Ajuga 'Catlins Giant' plants with green foliage and blue flowers growing in a garden bed.
Ajuga 'Catlins Giant'

Ajuga 'Catlins Giant' (Bugleweed Plant) is a vigorous evergreen groundcover valued for its large glossy dark green leaves and striking blue flower...

From$18.63
Thuja plicata 'Green Giant' trees standing 5 m tall as a lush, green screen.
Thuja 'Green Giant'

Thuja 'Green Giant' is a smaller variety of Cedar and bears sprays of glossy, dark green foliage held on slender stems. The result is a tree with a...

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Strelitzia nicolai (White Bird Of Paradise Plant)

Strelitzia nicolai (Giant White Bird Of Paradise) is a bold, architectural plant known for its large banana like leaves and striking white and blue...

From$44.09
Allium giganteum dark pink flower heads in a field.
Allium giganteum

Allium giganteum is a dramatic ornamental bulb grown for its large spherical purple flower heads held high on strong stems. Well suited to New...

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Allium caeruleum plant in a border garden featuring stunning blue flowers.
Allium caeruleum

Allium caeruleum is a charming ornamental allium valued for its perfectly rounded sky blue flower heads that appear in late spring to early summer...

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Allium 'Millennium' plant with pink flowers above slender, green foliage.
Allium 'Millenium'

Allium 'Millenium' is a compact ornamental allium valued for its rounded purple flower heads and neat clumping habit. Well suited to New Zealand...

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Allium neapolitanum (White Allium)

Commonly known as White Allium, this plant produces spectacular flowers. Stems rise above the foliage through late spring and summer to bear masses...

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Allium schoenoprasum

Allium schoenoprasum (Chives) is a popular culinary herb valued for its slender green leaves and mild onion flavour. The foliage can be harvested...

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Allium ampeloprasum plants in a field with purple flowers.
Allium ampeloprasum (Elephant Garlic)

Commonly known as Elephant Garlic, this is an herbaceous perennial grown for its flavoursome bulbs. It produces lush and fleshy green leaves which...

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Aeonium canariense plant with green leaves.
Aeonium canariense (Giant Velvet Rose)

Aeonium canariense, also known as the Canary Islands Aeonium, is a stunning succulent prized for its rosette-shaped foliage. The leaves are a fresh...

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Anthurium Giant Chocolate (Giant Anthurium)

Anthurium Giant Chocolate is a very popular indoor plant due to its lovely foliage and flowers. It features glossy, dark green leaves which serve as...

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ixia-giant-1
Ixia Giant

“Giant” is a stunning variety of Ixia that features masses of cream-white flowers with a dramatic, purple centre. The showy blooms are borne on...

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Ligularia tussilaginea plant with lush, dark green leaves.
Ligularia tussilaginea (Elephant Ears)

Ligularia tussilaginea is a lush foliage perennial valued for its large round glossy leaves that add bold texture to shaded New Zealand gardens...

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Myosotidium hortensia (Chatham Island Forget Me Not) plant with lush green foliage and stunning blue flowers.
Myosotidium hortensia (Chatham Island Forget-Me-Not)

Myosotidium hortensia, commonly known as the Chatham Island Forget-Me-Not, is a distinctive and recognisable NZ native. The plants have large...

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Echium pininana (Giant Tree Echium) plants in a garden with large blue flower spikes.
Echium pininana (Giant Tree Echium)

Echium pininana, commonly known as the Giant Tree Echium, is an herbaceous perennial that typically lives for 2 or 3 years. In the first year, it...

OUT OF STOCK
Eleocharis sphacelata (Tall Spike Rush) plants growing in a pond.
Eleocharis sphacelata (Tall Spike Rush)

Eleocharis sphacelata, commonly known as Tall Spike Rush, is a rush that grows in or near still fresh water in dams, swamps, lakes, creeks and wet...

OUT OF STOCK
Ligularia tussilaginea 'Gigantea' plants with large and lush, dark green leaves.
Ligularia 'Gigantea' (Giant Leopard Plant)

Ligularia 'Gigantea' is a commanding moisture loving perennial admired for its huge bold leaves and towering flower stems that bring drama to shaded...

OUT OF STOCK
Adiantum formosum fern in a shade garden and featuring slender, green fronds.
Adiantum formosum (Giant Maidenhair Fern)

Adiantum formosum (Giant Maidenhair Fern) is a striking fern admired for its tall, elegant fronds and delicate leaf structure held on fine black...

OUT OF STOCK
Armeria 'Pacific Giant' plant in a cottage garden featuring pink flowers and fine, green foliage.
Armeria 'Pacific Giant' (Thrift)

Armeria 'Pacific Giant' is an impressive larger flowering thrift variety that produces bold bright pink blooms on taller stems above neat mounds of...

OUT OF STOCK
Dietes robinsoniana elegant white flowers.
Dietes robinsoniana (Lord Howe Wedding Lily)

Dietes robinsoniana, commonly known as Wedding Lily or Lord Howe Wedding Lily, is a striking, clump-forming perennial native to Lord Howe Island. It...

OUT OF STOCK
Echeveria colorata plant with light blue foliage.
Echeveria colorata

Echeveria colorata (Mexican Giant Echeveria) is a stunning succulent admired for its large powdery blue grey rosettes and elegant architectural form...

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yucca-elephantipes-2
Yucca elephantipes

Yucca elephantipes, commonly known as the Giant Yucca or Spineless Yucca plant, is an evergreen shrub which is often grown indoors as a potted plant...

OUT OF STOCK
Davallia solida (Rabbit Foot Fern) plant with lush, green fronds.
Davallia solida (Rabbits Foot Fern)

Davallia solida (Rabbit Foot Fern) is a charming fern recognised for its soft, lacy fronds and furry rhizomes that creep gracefully over the soil...

OUT OF STOCK
Corokia 'Geenty's Giant'

Did you find what you are looking for?

You might be interested in exploring related Latin Names - Ajuga, Alcantarea, and Cornus, or related Categories - Bromeliads, Grasses, and Groundcover Plants.

Search giant allium

Why Choose Giant Allium Plants?

Giant alliums are prized for their ability to add drama and elegance to your planting schemes. Their large, spherical flowerheads create focal points in borders and pair beautifully with other perennials and ornamental grasses. Whether you're planning a bold spring bulb display or looking to fill gaps in your mixed beds, giant allium plants are a top choice for Kiwi gardeners. Their long, sturdy stems make them excellent for cut arrangements, and even as the flowerheads fade, the seedheads add year-round interest to your garden.

Planting and Caring for Alliums

Giant alliums are surprisingly undemanding. Plant bulbs in autumn for blooms the following year, choosing a spot with at least six hours of sunlight. Alliums hate soggy roots, so well-draining soil is essential. Water your bulbs in well and, during the growing season, let the soil dry between waterings to prevent rot. These hardy plants require little maintenance—simply remove spent flowerheads if you want to tidy up, or leave them for winter structure and bird interest.

Create Stunning Combinations

For a showstopper border, combine giant alliums with contrasting plants. The white floral globes of Allium neapolitanum (White Allium) complement purple allium varieties beautifully. Consider underscoring your allium cluster with low-growing fillers like Chlorophytum comosum variegatum (Spider Plant) for lush, textural contrast. If you're designing a vibrant perennial bed, try pairing with the dazzling orange-red blooms of Kniphofia Dwarf Scarlet (Hot Poker Plant) for a fiery, midsummer effect.

Bring Allium Style Indoors

While giant allium plants are stars of outdoor borders, you can echo their dramatic shapes indoors with bold houseplants like Stromanthe Triostar (Stromanthe Plant) for colour, or go big with Anthurium Giant Chocolate (Giant Anthurium). These houseplants create dynamic foliage displays that pair beautifully with fresh or dried allium flower arrangements on your table or in a bright spot at home.

Shop Giant Allium Plants for Sale in New Zealand

Ready to make a statement this season? Browse our range of giant allium plants for sale and give your garden structure, colour, and a touch of the extraordinary. With easy planting and minimal care, alliums are the perfect choice for both beginner and experienced gardeners. Order now and look forward to wow-worthy blooms that will be the envy of the neighbourhood, year after year.


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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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