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Allium Miniature ‘Ostrowskianum’

Ornamental Onion

The buying period of this product has either expired or has not yet begun.

Purple miniature ornamental onions. Combine well with small flowering perennials, perfect for adding a splash of color to beds and borders.

Allium bulbs, or ornamental onions, come in a wide range of flower shapes and sizes, varying from the huge Allium Ambassador to the low growing Allium Moly

Allium bulbs are perfect for naturalizing, provided they are planted in well drained soil

Their scent keeps rodents and deer at a distance

Wholesale Allium bulbs flower late in Spring and combine well with perennials

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Growing Tips

Late flowering (May - June) Planting Depth: 5" (12.5cm) Spacing: 4-5" (10-12.5cm) Bloom Duration: 3 weeks

Additional information

Common name

Ornamental Onion

Hardiness Zone



10 Inches


2-4 Inches

Planting Depth

2-4 Inches

Bloom Time

Late Spring

Shipping Season





Average, Butterflies, Deer Resistant, Fragrant, Mass Planting, Naturalizing, Rabbit Resistant, Rock Garden, Rodent Resistant, Squirrel Resistant, Sun


10 Retail Packages of 25 Bulbs, Size 5/+, Bin Display Box of 250 Bulbs, Size 5/+


  • Allium bulbs, or ornamental onions, come in a wide range of flower shapes and sizes
  • Wholesale allium bulbs are repellent to deers and rodents
  • Allium bulbs are return for many years
  • Plant allium bulbs in well drained soil
  • Ruigrok Flowerbulbs has been growing and trading flower bulbs since 1910