Globemaster
Allium 'Globemaster'
Also called ornamental onion and flowering onion
Globemaster blooms from May through June.
Every fact this page states, and what the plant is called, was checked against named botanical sources, with the sources recorded beside each value and the unsettled points written down.
Growing Globemaster
Plant it in full sun. It prefers low water. It is hardy in USDA zones 5–8. Expect it to reach about 2.6 ft tall and 10 in wide at maturity, in roughly 1 year.
When to plant Globemaster
Globemaster is a fall-planted bulb: get it in the ground 6 to 8 weeks before the ground freezes, typically September or October across zones 5 to 8. It pays you back the following May to June.
Month-by-month timing for your zone is on the planting calendar: for the middle of its range, start with zone 6 in September.
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