Flowering Onion (Allium 'Purple Sensation')

4 companies sell this plant

Also sold as:
Allium hollandicum 'Purple Sensation'
Allium aflatunense 'Purple Sensation'
Allium Persian Blue™

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Mesic
Minimum cold hardiness: Zone 4b -31.7 °C (-25 °F) to -28.9 °C (-20 °F)
Maximum recommended zone: Zone 10b
Plant Height: 30 inches
Flowers: Showy
Flower Color: Blue
Purple
Bloom Size: 4"-5"
5"-6"
Flower Time: Late spring or early summer
Underground structures: Bulb
Suitable Locations: Xeriscapic
Uses: Cut Flower
Dynamic Accumulator: K (Potassium)
Ca (Calcium)
Na (Sodium)
Wildlife Attractant: Bees
Butterflies
Resistances: Deer Resistant
Rabbit Resistant
Drought tolerant
Propagation: Other methods: Bulbs
Pollinators: Bees
Various insects
Awards and Recognitions: RHS AGM
Other: 2010 Great Plant Picks award winner

En masse in the Spring borders at Harlow Carr

Photo gallery:
Location: Harlow Carr garden, Yorkshire, UKDate: 2013-06-14En masse in the Spring borders at Harlow Carr
By kniphofia
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Location: Kitchen hosta garden - morning sun only.Date: 2013-05-18
By pirl
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Location: TennesseeDate: 2014-04-23
By SongofJoy
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Location: ILDate: 2008-06-27
By molanic
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Location: central IllinoisDate: 2011-05-09
By jmorth
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Location: My Garden in Kalama, WaDate: 2016-05-03
By Joy
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Location: Washington 8bDate: 2017-05-14
By Patty
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Location: Sun Zone 6aDate: 2012-05-13Stunning deep rich purple.
By ge1836
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Location: Belmont gardenDate: 2010-0514
By pirl
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Location: ILDate: 2004-05-07
By molanic
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Location: Washington 8bDate: 2017-05-05
By Patty
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Location: Washington 8bDate: 2017-05-05
By Patty
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Location: VermontDate: 2017-06-02
By Char
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Location: Harper post, full sunDate: 2013-0515
By pirl
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Location: My GardensDate: May 19, 2014Close Up View
By TBGDN
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Location: Terrace garden right sideDate: 2008-0514
By pirl
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Location: Terrace garden right sideDate: 2010-0514
By pirl
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Location: Terrace garden right sideDate: 2010-0524Beginning to go to seed.
By pirl
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Location: My Garden in Kalama, WaDate: 2016-05-03
By Joy
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Location: Kitchen hosta garden - morning sun only.Date: 2013-0518Some in bud just beginning to bloom.
By pirl
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Location: Belmont gardenDate: 2010-0515Exceptionally tall in this spot.
By pirl
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Location: Belmont gardenDate: 2011-0702
By pirl
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Location: Terrace garden right sideDate: 2010-0630Same bloom time as many tall bearded irises and Russell Lupines.
By pirl
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Comments:
Posted by linjarvis (Peterborough, ON, CANADA - Zone 5a) on Aug 5, 2015 9:24 PM

I have had success with this plant in Zone 5A although it is slow to spread

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Plant Events from our members
chelle On October 24, 2014 Transplanted
Ash tree bed, center.
aspenhill On September 28, 2014 Obtained plant
ADR - qty 25
aspenhill On October 12, 2013 Obtained plant
ADR (qty 15)
Yorkshirelass On June 5, 2017 Miscellaneous Event
Dried seedheads are suitable for inclusion in indoor plant arrangements over winter when not much else is available.
A vase of them with other seedheads and a few small branches off a contorted willow or similar and dressed with minimal decorations are ideal as a Christmas display.
» Post your own event for this plant

Discussion Threads about this plant
Thread Title Last Reply Replies
Beautiful pic! by purpleinopp Nov 27, 2013 5:44 PM 7
Plz help id by dyc428 Jun 5, 2017 10:22 PM 2
Summer Blooming Bulbs 2017 by IrisLilli Dec 5, 2017 9:06 AM 290
Purple Sensation Allium anomaly by AFlowerChild May 21, 2017 1:20 PM 1
Spring Blooming Bulbs 2017 by Cem9165 Jun 3, 2017 9:08 AM 739
What's Blooming 2017 - Photos and Chat. by NJBob Nov 8, 2017 4:13 AM 1,543
Bulb planting for Spring 2017? by CarolineScott Apr 11, 2017 5:42 AM 521
Summer blooming bulbs by jmorth Mar 24, 2017 2:54 AM 67
Also sold as by lauribob May 13, 2016 12:04 PM 4
What other plants do you grow besides Irises? by creativeclover Nov 30, 2017 6:22 AM 80
Weather In Your Garden ~ Spring 2016 (Closed) by Char Jun 21, 2016 4:39 AM 1,055

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