Through the years I've tried just about everyone for bulbs but A.D.R. is tops. It's a family run business and the service levels and expertise are as good as the product they sell. My clients rave about the results we get with A.D.R. and that makes me happy.
Paul Keyes
, Paul Keyes Associates
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Allium (Spring) 'Millenium'
Ornamental Onion
Allium 'Millenium' is a compact, clump-forming perennial named the 2018 Perennial Plant of the Year. It produces globe-shaped rosy-purple flowers that bloom in mid to late summer, lasting for weeks. The flower clusters measure about 2 inches across and rise on sturdy stems, reaching 15 to 20 inches tall. Its deep green, grass-like foliage remains attractive throughout the season. Thriving in full sun, it prefers well-drained soil and is highly drought-tolerant once established. Resistant to deer and rabbits, it attracts pollinators and provides reliable seasonal color in USDA zones 4-9.
Allium (Spring) Calculator
Growing and Maintenance Tips for Allium (Spring) 'Millenium'
Planting Time: Best planted in spring or early fall for strong establishment.
Location: Choose a sunny to lightly shaded spot with well-drained soil.
Spacing & Depth: Plant bulbs 3 to 4 inches deep and 6 to 12 inches apart.
Soil Conditions: Prefers loamy or sandy soil with a pH between 6.0 and 7.0.
Watering: Keep soil evenly moist during active growth; drought-tolerant once established.
Foliage Management: Leaves remain attractive throughout the season—no need to disguise fading foliage.
Deadheading: Remove spent flowers to encourage a tidy appearance, though self-seeding is minimal.
Fertilization: Apply a light, balanced fertilizer in early spring to support blooms.
Pest & Disease Resistance: Highly deer- and rabbit-resistant; avoid excessive moisture to prevent rot.
Division: Divide clumps every three to four years to maintain vigor and prevent overcrowding.
Check back soon for additional details.