Allium 'Millenium' is a clump-forming ornamental onion prized for its globe-shaped, rosy-purple flower heads and tidy mounds of glossy green, grass-like foliage. Blooming in mid-to-late summer, it brings structure, pollinators, and color to borders and containers alike. Deer- and rabbit-resistant, drought-tolerant, and easy to grow!
- Hardiness USDA Zones are 4 to 9
- Thrives in Full Sun
- Typically grows 12–20 inches tall and 10–15 inches wide
Note: Your plant is shipped potted and carefully packaged to ensure minimal damage during transit. Dormancy in fall/winter may cause plants to look dry or leafless—this is normal and temporary. California shipping restrictions may apply based on state regulations.
Frequently Asked Questions❓
Is Allium 'Millenium' attractive to pollinators?
Yes, it's a favorite among bees and butterflies during its vibrant bloom period.
Is this plant deer- or rabbit-resistant?
Yes, its aromatic foliage naturally keeps deer and rabbits away.
Does it work well in containers?
Absolutely! Its compact growth and upright blooms suit container gardening beautifully.
How much water does it need?
Low. It's drought-tolerant once established and prefers well-drained soil.
How do I maintain or propagate it?
✂️ Divide clumps every few years in early spring or fall to keep it healthy and full.
Growing Zones: 4–9
| Mature Height: | 12–20 inches |
| Sunlight: | Full Sun |
| Mature Width: | 10–15 inches |
| Botanical Name: | Allium 'Millenium' |
| Growth Rate: | Moderate |
| Foliage: | Glossy, grass-like deep green leaves |
| Plant Type: | Herbaceous Perennial |
| Product Type: | Ornamental Flowering Perennial |