Purple Sensation (Allium hollandicum 'Purple Sensation') - purple flowers, illustrated plant card

Purple Sensation

Allium hollandicum 'Purple Sensation'

Also called ornamental onion, flowering onion, dutch garlic and persian onion

Purple Sensation blooms from May through June.

Bloom calendar
Bloom time
May–Jun
Hardiness
Zones 4–8
Sun
Full sun
Water
Low water
Mature size
2.3 ft × 6 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 Purple Sensation

Plant it in full sun. It prefers low water. It is hardy in USDA zones 4–8. Expect it to reach about 2.3 ft tall and 6 in wide at maturity, in roughly 1 year.

When to plant Purple Sensation

Purple Sensation 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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