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Allium ‘Millennium’
Allium ‘Millennium’
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Common Name:
Allium ‘Millennium’
Description:
Allium ‘Millennium’ is a standout ornamental onion prized for its dense, globe-shaped clusters of rich rosy-purple flowers and its exceptional garden performance. Flowering in mid to late summer, well after most other alliums have finished, it provides a valuable burst of colour during the seasonal gap. Its compact, clump-forming habit features tidy, glossy green, grass-like foliage that remains fresh and attractive throughout the growing season—unlike many other alliums whose leaves tend to yellow early. In Melbourne gardens, ‘Millennium’ thrives in full sun and well-drained soil, and once established, it handles dry spells with ease. It is ideal for perennial borders, rock gardens, edging, or pots, and it pairs beautifully with ornamental grasses and late-flowering perennials. Loved by bees and butterflies and rarely bothered by pests, this hardy perennial is also highly resistant to rabbits and deer, making it a reliable, low-maintenance choice.
Form:
Shrub - Clumping / Grass-like / Mounding
Perennial Bulb
Mature Size:
Height: 40–50 cm
Width: 30–40 cm
Aspect:
Full Sun
Flowering:
Flowers in Summer
Flower Colour:
Rosy Purple
Magenta
Key Attributes:
Suitable for Pots
Bee Attracting
Butterfly Attracting
Herbaceous
Perennial
Drought Tolerant
Suitable for Cut Flowers
Low Maintenance
Rabbit Resistant
Snail Resistant
Deer Resistant
Toxicity:
Toxic to dogs, cats, and horses if ingested
Mildly toxic to humans if consumed in large quantities
Companion Plants:
Echinacea purpurea
Sedum ‘Autumn Joy’
Nepeta faassenii
Rudbeckia fulgida
Pennisetum alopecuroides
Plant Growers Australia (PGA) is an innovative wholesale production nursery based in Melbourne, renowned for superior quality garden plants and pioneering breeding programs.
PGA do not sell direct to the public, but their website has detailed information on this species that is available for everyone to access.
Visit www.pga.com.au for further details and photos of this plant.

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