Allium giganteum

Allium giganteum @ Park. June15, 2006

Dark dusty purple flower globes are produced above attractive glaucous blue-green foliage. The leaf blades twist and curl to provide additional interest. Compared to the popular 'Millenium', 'Lavender Bubbles' blooms later and is a darker shade of purple.

Giant Onion (Allium giganteum): Giant onion (Allium giganteum) forms a clump of 2-foot-long, strappy, gray-green leaves. In midspring, the foliage starts to wither, and 4-foot flowering stems rise up with large, 6-inch globes of purple (rarely white) flowers. It prefers well-drained soil in full sun in a site protected from the wind. Key to naturalizing the giant onion in the garden is allowing the soil to dry from midsummer to fall and applying an annual layer of mulch before the seeds are…

This guide to allium varieties shows off the different colors, sizes, and shapes of flowers that ornamental onions offer.

Rebecca Firman on Instagram: "September through to October is perfect for allium bulb planting! Some of my favourite varieties are listed below: 🌸 Pinball Wizard (featured above) 🌸 Giganteum 🌸 Globemaster 🌸 Mount Everest Happy planting! #alliums #allium #bulbplanting #springflowers #autumngardening #alliumbulbs #gardendesign #gardendesignjournal #gardening #cottagegarden"

lavandula paired with allium giganteum

Follow the Flower Path

Allium giganteum, or ornamental onion, is a superb bulb perennial. Caring for it from planting to pruning is very easy

The most spectacular of all the alliums. Globemaster bears 8-inch orbs of lilac-pink flowers on tall stout stems. They last a long time.