In Stock
Millenium Ornamental Flowering Onion
Allium 'Millenium'
Ornamental Flowering Onion
In stock · from $14.99
Upright clumps of thick, glossy green leaves. In summer large 2" spheres of bright purple, tightly rounded flower clusters rise just above the attractive foliage. Tolerates poor soils and dry conditions. Great for cut flowers.
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Plant facts
Sizes and prices
Retail prices; trade pricing for wholesale accounts. Availability updates hourly; stock last changed 2026-10-13.
Good to know
- Waterwise — suited to low-water landscapes once established.
- Attracts pollinators.
- Deer resistant.
- Fragrant.
- A good park-strip plant (Flip the Strip collection).
- Suitable for Utah Lake secondary water systems.
- Tolerates rock mulch.
Quick answers
How big does Millenium Ornamental Flowering Onion get?
About 18-24" tall and 12" wide at maturity.
How much sun does Millenium Ornamental Flowering Onion need?
Full Sun to Part Shade (3 to 6+ hours Sun).
How much water does Millenium Ornamental Flowering Onion need?
Low water use — it is one of our waterwise plants.
Will Millenium Ornamental Flowering Onion grow in Utah and the Intermountain West?
It is rated hardy to USDA zone 5, so it suits sites in zone 5 or warmer. The Salt Lake Valley floor is mostly zone 7; benches, mountain valleys and high plains in Utah, Idaho, Montana, Colorado and Wyoming are colder, often zones 3–6, so check the zone for your site.
Is Millenium Ornamental Flowering Onion deer resistant?
Yes, deer usually leave it alone.
Where can I buy Millenium Ornamental Flowering Onion in Utah?
Progressive Plants in Copperton, Utah has it in stock, from $14.99. Homeowners can order online for pickup at the farm or local delivery; landscape contractors can have it shipped across Utah, Idaho, Montana, Colorado, Wyoming and Nevada.
Can landscape contractors buy Millenium Ornamental Flowering Onion wholesale?
Yes. Landscape contractors and architects with a Progressive Plants wholesale account get trade pricing, bulk ordering and shipping across Utah, Idaho, Montana, Colorado, Wyoming and Nevada on our own trucks or by freight ($1,500 minimum outside our local delivery area). Apply at progressiveplants.com/wholesaleapp.html or call 801-565-7333.
Find similar plants
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