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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 gardens, it flowers reliably through summer and attracts bees and pollinators. This modern perennial is ideal for gardeners wanting long lasting colour, tidy growth, and a low maintenance plant that performs consistently in borders and mixed plantings.

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

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Suited to regions:All regions
Plant type:Perennials
Height:30 cm
Spread:40 cm
Flowering time:Spring, Summer
Tolerances:
Garden uses:Borders, Containers, Living areas, Paths & Steps, Pool areas
Garden styles:Architectural, Backyard, City & Courtyard, Frontyard, Japanese, Modern
Easy to grow?Yes
Maintenance requirementsLow
Growth rateMedium
Also known as
Sku16992

How to grow Allium 'Millenium' in NZ

To grow Allium 'Millenium' in NZ, plant it in a sunny position with free draining soil. Full sun encourages strong flowering and compact growth. Planting in spring or autumn allows good establishment. Water regularly during the first season, then reduce watering once established. Avoid heavy wet soils, as good drainage is essential for healthy growth and long term performance.

Allium 'Millenium' care tips

Allium 'Millenium' is very easy to care for once established. Water only during prolonged dry periods and avoid overwatering. Feed lightly with a general fertiliser in spring to support flowering. Deadhead spent flower stems to keep plants tidy and encourage fresh growth. Cut foliage back in late autumn or winter once it naturally dies back.

Allium 'Millenium' size, spacing, and growth rate

Allium 'Millenium' typically grows to around 30 to 40 cm tall and spreads 40 to 50 cm wide. Space plants approximately 40 cm apart to allow airflow and clump development. It has a moderate growth rate, forming dense clumps that increase steadily each season. This compact habit makes it easy to fit into smaller gardens.

Landscaping uses for Allium 'Millenium'

Allium 'Millenium' is ideal for borders edging and mixed perennial plantings. It works beautifully alongside grasses and other summer flowering plants, adding structure and colour. The purple flower heads create strong visual contrast and attract pollinators. This variety also performs well in containers and suits modern and low maintenance garden designs.

Why buy Allium 'Millenium' from The Plant Company?

When you buy Allium 'Millenium' from The Plant Company, you are choosing NZ’s most trusted plant nursery. Our plants are grown for New Zealand conditions and selected for strength and performance. We supply healthy well established plants, provide expert growing advice, and offer reliable nationwide delivery so you can plant with confidence.

Questions and Answers

Have a question about Allium 'Millenium'? We are here to help.

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