Allium hollandicum 'Purple Sensation'

Allium hollandicum 'Purple Sensation'

Ornamental onion

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Flowers
Flowers
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Yes

Key Information

  • Botanical name: Allium hollandicum 'Purple Sensation'
  • Common name: Ornamental onion
  • Plant type: Bulb

Height: 1m

Spread: 7cm

Flower colour:
  • Purple
Foliage colour:
  • Green
  • Features: Attractive seed-heads, Attractive to wildlife, Flowers

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Allium hollandicum 'Purple Sensation' bears large, rounded heads of deep violet, star-shaped flowers, on tall sturdy stems. It's perfect for growing in drifts or large clumps in a sunny border, or large container, and makes an impressive cut flower.

For best results, grow Allium hollandicum 'Purple Sensation' in fertile, well-drained soil in full sun. Plant bulbs up to three times their diameter, in autumn. It's not fully hardy and in colder regions should be mulched, or planted in pots and moved to a frost free area in autumn.

Position

  • Sun exposure: Full sun
  • Aspect: South facing, West facing
  • Position in border: Front, Middle
  • Hardiness: Hardy
  • Maintenance: Prefers rich soil
  • Soil type: Well drained/light/sandy, Clay/heavy/moist, Chalky/alkaline

Wildlife

Attracts:
  • Bees

  • Beneficial insects

  • Birds

  • Butterflies / Moths

  • Other pollinators

  • Wildlife features: Nectar/pollen rich flowers

Care routine

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Sow
Sow
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Yes
Plant
Plant
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Yes
Yes
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Divide
Divide
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Yes
Yes
Collect seed
Collect seed
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Yes

Toxicity

Toxic to:
  • People

  • Cats

  • Dogs

  • Birds

  • Horses

  • Livestock

  • Effects: Harmful if ingested

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