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Libertia grandiflora (NZ Iris)

NZ Iris, Mikoikoi, NZ Grand Iris

Libertia grandiflora, known as the NZ Iris, is a clump-forming New Zealand native perennial valued for its sword-like green foliage and striking white flowers in spring. Flower stems rise above the leaves, followed by decorative seed capsules. This hardy plant grows to approximately 60 cm tall and 40 cm wide, thriving in full sun to partial shade. It’s ideal for borders, native gardens, and mass planting.

Libertia grandiflora plant with elegant white flowers and lush, dark green foliage.
Libertia grandiflora plants in a mixed planting displaying amazing white flowers and lush foliage.
Libertia grandiflora plants in a border garden.

Libertia grandiflora (NZ Iris) is currently unavailable, but we do have other other amazing species and varieties of Libertia available.

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Why? Our plants are subject to seasonality and high-demand. Please contact us if you would like to know when it becomes available again.

Suited to regions:All regions
Plant type:Flaxes
Height:60 cm
Spread:75 cm
Flowering time:Spring
Tolerances:
Garden uses:Borders, Containers, Living areas, Parks, Paths & Steps, Pool areas, Specimen
Garden styles:Architectural, Backyard, City & Courtyard, Frontyard, Japanese, Modern, Native
Easy to grow?Yes
Maintenance requirementsLow
Growth rateMedium
Also known asNZ Iris, Mikoikoi, NZ Grand Iris
Sku10126

Why Choose Libertia grandiflora?

Libertia grandiflora is a striking, low-maintenance native that brings texture and seasonal interest to any garden. Its bold white flowers contrast beautifully with its green, strap-like leaves, creating a fresh, clean look in borders or native plantings. Hardy and drought-tolerant once established, it’s perfect for NZ conditions and ideal for mass planting or natural landscaping.

Libertia grandiflora (NZ Iris) plants for sale

The Plant Company has the best Libertia grandiflora plants for sale in NZ. Our production nursery specialises in growing amazing plants, and our logistics team packs them carefully for our customers. The pricing is competitive, and the quality is exceptional. Let us take care of your NZ Iris needs and impress you with both our products and service!

Planting and Care Tips

Plant Libertia grandiflora in full sun to part shade on a well-drained site. It tolerates dry periods once established, but benefits from regular watering during periods of drought. Remove spent flower stems and old foliage to maintain a tidy appearance. Applying an organic mulch helps to retain moisture and suppress weeds. It’s a hardy, low-maintenance option for both native and modern landscapes.

What is the common name for Libertia grandiflora?

The common names for Libertia grandiflora include NZ Iris, NZ Grand Iris, and Mikoikoi. NZ Grand Iris is the most popular name while Mikoikoi is the Māori name for the plant.

What size does the Libertia grandiflora plant grow to?

Libertia grandiflora typically grows to 60 cm tall and 75 cm wide. This is an approximation as the climate, level of shade, and amount of care the plant receives will all influence these numbers.

What is the optimum Libertia grandiflora spacing?

The optimum Libertia grandiflora spacing for the plants to merge and become an adequate ground cover is 50 cm apart. However, if you want them to grow as a unique plant, they will need to be spaced at least 80 cm apart. The spacing for having them merge to a limited degree is 60-70 cm apart.

Why Buy From The Plant Company?

When you buy from The Plant Company, you’re getting top-quality, NZ-grown plants backed by expert care and advice. Our Libertia grandiflora plants are nurtured in local conditions to ensure strong, healthy growth. We offer fast, secure nationwide delivery and carefully pack every order so your plants arrive in perfect condition, ready to thrive in your garden.

Questions and Answers

Have a question about Libertia grandiflora (NZ Iris)? We are here to help.

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