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

Image
Common names
  • Flowering Onion
Also sold as:
  • Allium hollandicum 'Purple Sensation'
  • Allium aflatunense 'Purple Sensation'
  • Allium Persian Blue™

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Comments:
  • Posted by linjarvis (Peterborough, ON, CANADA - Zone 5a) on Aug 5, 2015 9:24 PM concerning plant:
    I have had success with this plant in Zone 5A although it is slow to spread
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.
MrsBinWY On April 24, 2021 Transplanted
Planted out under the north side of the 'Mantet' apple tree
MrsBinWY On April 6, 2019 Seeds germinated
lots & lots up! Re-emerged April 2020 & 2021.
MrsBinWY On July 14, 2018 Seeds sown
Several seeds from 2018G in milk jug to back patio for warm moist stratification followed by cold moist stratification.
MrsBinWY On December 17, 2017 Obtained plant
Planted two gift bulbs received 12-15-17 from Samlav :)
mscuser73 On September 16, 2017 Obtained plant
OBI Budaörs, 3 db hagyma
AtaMaj From October 23, 2019 to February 9, 2020 Seeds sown
bulbs planted
LyraLu On November 3, 2021 Seeds sown
planted 10 bulbs in front bed
dnrevel On November 12, 2021 Seeds sown
Planted 7 Purple Sensation Alliums in front of the Lollipop salvia and near the Acropolis daffodils in the left front garden

Planted 5 or 6 remaining Purple Sensation Alliums South of the drain near the Hellebores and near the crazy daisies and poppies.
dnrevel On October 3, 2021 Obtained plant
Obtained bulbs from Raindance farm, 20 Allium bulbs, good price
MuseLea On May 10, 2022 Bloomed
MuseLea On March 20, 2022 Obtained plant
Langton
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Discussion Threads about this plant
Thread Title Last Reply Replies
Beautiful pic! by purpleinopp Nov 27, 2013 5:44 PM 7

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