Mount Everest (Allium stipitatum 'Mount Everest') - white flowers, illustrated plant card

Mount Everest

Allium stipitatum 'Mount Everest'

Also called ornamental onion and flowering onion

Mount Everest blooms from May through June.

Bloom calendar
Bloom time
May–Jun
Hardiness
Zones 4–8
Sun
Full sun
Water
Low water
Mature size
3.6 ft × 8 in
Type
Bulb
Verification

Mature size, hardiness zones, sun and the trait tags were checked against named botanical sources for this plant. The bloom months and water need on this page were not.

Growing Mount Everest

Plant it in full sun. It prefers low water. It is hardy in USDA zones 4–8. Expect it to reach about 3.6 ft tall and 8 in wide at maturity, in roughly 1 year.

When to plant Mount Everest

Mount Everest 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.

The Allium family

One of 9 in the Allium family. Same family, similar care.

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