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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.

sequoiadendron-giganteum-

Sequoiadendron giganteum (Sequoia gigantea Tree)

Sequoiadendron giganteum, commonly known as the Giant Redwood, is a large, evergreen tree and aptly named for its red coloured wood. It features feathery, dark green foliage which is held on broad branches emerging off a central trunk as it grows to about 60 m tall and 20 m wide over several hundred years. The Giant Redwood is commonly grown as a specimen, planted to provide shelter, or used for timber production.

Suited to regions: All regions
Plant type: Trees
Height: 60.00 m
Spread: 20.00 m
Tolerances: Coastal, Extended dry periods, Hardy, Wind
Garden uses: Parks, Screening, Specimen
Garden styles: Alpine, Coastal, Forestry, Mediterranean
Alcantarea imperialis (Giant Bromeliad) plant with a large red flower.

Alcantarea imperialis (Bromeliad)

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
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$16.13
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$343.89
strelitzia-nicolai-

Strelitzia nicolai (Natal Wild Banana)

Strelitzia nicolai, commonly known as Natal Wild Banana or Giant White Bird Of Paradise, produces multiple stems that host large, fresh-green leaves...

From$43.13
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$14.78
Nepeta 'Six Hills Giant' green foliage and blue flowers.

Nepeta 'Six Hills Giant' (Catmint)

Nepeta 'Six Hills Giant' is a vigorous perennial prized for its aromatic foliage and abundant lavender blue flowers that bloom from late spring...

From$18.83
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$17.48
liriope-muscari-evergreen-giant-

Liriope 'Evergreen Giant'

Liriope 'Evergreen Giant' is an herbaceous perennial that grows as a clump and produces strap-like, dark green leaves. Stems rise above the foliage...

From$20.18
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$18.23
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...

From$33.68
Doryanthes palmeri plant in a garden with a large red flower.

Doryanthes palmeri (Giant Spear Lily)

Doryanthes palmeri is a standout plant valued for its commonly known as The Giant Spear Lily, is an Australian native grown for its amazing flowers...

From$146.79
Sequoiadendron giganteum (Sequoia gigantea Tree)

Did you find what you are looking for?

You might be interested in exploring related Latin Names - Ajuga, Alcantarea, Cornus, Cyperus, Doryanthes, Juncus, Liriope, Nepeta, Sequoiadendron, Stipa Strelitzia and Thuja, or related Categories - Bromeliads, Conifer Trees, Grasses, Groundcover Plants, Perennials, Evergreen Shrubs Deciduous Trees and Evergreen Trees.

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.


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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