This selection has not been known to reseed and is not invasive. To prevent recurrent infections, clear and burn the affected plant material and avoid planting alliums in the same position for at least five years. Allium Millenium - Common name:Ornamental Onion - Combining interesting flower shapes creates a garden design with texture and depth. Allium 'Millennium' is a compact little clumping plant topped with rosy-purple balls of colour. The Perennial Plant Association has rightly awarded Allium Millenium the 2018 Plant of the Year®! Hi Paula – Allium ‘Millenium’ is an herbaceous allium, which means it grows from a clump of roots (like most other perennials) rather than from bulbs (like Gladiator or Purple Sensation). Blooming in mid to late summer, the luminous flowers are borne on sturdy, upright stems just above the attractive foliage clump of onion-scented, grass-like, glossy deep green leaves, which remain attractive all season long. Mature plants are covered in dozens of long lasting flowers. Your garden is full of freebies: here we find lots of baby allium bulbs in the border and save some of them for next year. https://gardenerspath.com/plants/perennial/alliums-transform-yard-weeks 4. Allium … 1. Perky is the only way to describe it! Moles can dig tunnels under the roots, creating air gaps that will dry out and damage the bulb. Allium 'Millenium' is very easy to grow in full sun to part shade. across (5 cm), tightly packed with bright rosy purple flowers. It may be propagated in fall by digging it up and dividing the rhizome with the bulblets attached. 2″ lavender orbs on sturdy 12-18″ stems provide color for weeks. Professional Growing Information . Allium 'Serendipity' is very easy to grow in full sun to part shade. 1. It may be propagated in fall by digging it up and dividing the rhizome with the bulblets attached. Allium … Well-behaved in the garden and ignored by deer and rabbits, 'Millenium' earns a place in the front of the border where it will attract pollinators all season long. The normal bloom time is midsummer, so you won’t see any flowers until then. Mice, voles and gophers will eat allium if there aren’t tulips and crocus to keep them busy. It will tolerate soil of any fertility and will grow in clay soil. 1. 3. Alliums can out-grow their space. Dividing & Transplanting: Allium do not need to be dug and divided. Pests & Disease: Insect pests are few and far between when it comes to the genus allium. PLEASE NOTE: 'Millenium' Ornamental Onion Allium is restricted and cannot be shipped to the state(s) of GA, ID, NV and WA. 5. This plant is so clean, beautiful, and long-lasting. This selection has not been known to reseed and is not invasive. Compact clumps of flat, glossy leaves produce a profusion of sturdy stems supporting rosy violet, globe-shaped 2″ flowers in summer. 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