Allium 'Cobalt Millenium' #1
$21.99 $7.70 65% OFF Trees, Shrubs, Roses & Perennials
Ornamental Onion ·
A showy ornamental onion with round clusters of lavender-purple flowers that appear in mid to late summer. Compact, clump-forming, and highly attractive to pollinators. Adds bold color and texture to borders and rock gardens.
| Perennial | |
| Zone 4 | |
| 6+ hours | |
| Well-drained soil | |
| 12-15" | |
| 12-15" | |
| Yes | |
| Yes | |
| Yes | |
| Nepeta, Salvia, Echinacea, Sedum |