Star of Persia
Allium cristophii
Also called ornamental onion, flowering onion and persian onion
Star of Persia blooms from May through June.
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Growing Star of Persia
Plant it in full sun. It prefers low water. It is hardy in USDA zones 4–8. Expect it to reach about 1.6 ft tall and 10 in wide at maturity, in roughly 1 year.
When to plant Star of Persia
Star of Persia is a fall-planted bulb: get it in the ground 6 to 8 weeks before the ground freezes, typically September or October across zones 4 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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