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Ornamental Onion 'Globemaster' (Allium 'Globemaster'): Giant Purple Spheres for Late Spring Drama

Allium Globemaster

Overview

Allium 'Globemaster' is a true showstopper, growing 32 inches tall with majestic, 8-inch purple spheres of star-shaped, deep lilac flowers in May and June. A stunning bulb for late spring impact.

Botanical Details

Genus: Allium
Cultivar: 'Globemaster'

Culture & Uses

Full sun, well-drained, average to dry soil. Sow seed in spring; divide clumps in spring. Bulb rot in damp conditions; onion fly, thrips. Attracts butterflies. Showy seed heads. Use in beds, borders, cottage gardens, rock gardens. Height 3-6 feet.

Other: Dill Bolting in St. Louis Heat: Annual Nature, Fall Replant Option; Why Spring Water Outperformed Tap Water in Your Plant Experiment; Spring Flowers: Early Bloomers That Herald Winter's End; Spring Garden Design: Blooms from April Through September; Giant Onion (Allium giganteum): Towering Lilac-Pink Globes for Summer Borders; Giant Allium 'Globemaster' (Allium 'Globemaster'): Massive Purple Spheres; Ornamental Onions (Allium): Architectural Globes for Spring to Fall; Growing Broccoli: Tips for a Bountiful Harvest; Allium: Show-Stopping Globes for the Early Summer Garden; Spring Hours Begin April 10 at Urban Roots

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