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Allium firmament (Ornamental Onion, Allium)

Allium firmament (Ornamental Onion, Allium)
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Find out where you can buy Allium firmament (Ornamental Onion, Allium) online.

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Type Herbaceous flower, Bedding Plants & Tender Perennials, Deciduous, Flowering
Form Spiky Foliage / Spiky Upright Form, Architectural Form
Size Medium Border Plant (50-180cm height)
Colours Purple Flowers (Summer), Medium green Foliage
Care Some Maintenance Required - Tough Plant
Hardiness Frost hardy, Drought Tolerant
Growth Fast Growing Plant
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Allium firmament - Cultivation Notes

Allium prefers fertile yet well drained soils in full sun. This ornamental onion can cope with drier soils, flowering in spring and dying back to the ground in late summer. Plant as bulbs in autumn and mulch annually in cold areas. Divide and replant older clumps in late summer.

Strengths, Weaknesses & Design Usage

Strengths of Allium firmament:

  • Sun loving drought tolerant plant
  • All round tough plant suitable for problem areas
  • Suitable for container growing
  • Architectural plant – ideal as a ‘stand out’ plant
  • Tolerates full sun and sandy, drought-prone soils

Design & Plant Use for Allium firmament:

  • Summer flowering herbaceous plant suitable for border planting
  • Architectural plant with dramatic foliage suitable for hot dry spot
  • Annual bedding plant ideal for quick seasonal colour

View all the plants listed in Genus Allium

View other annuals with purple flowers, or annuals with medium green foliage

Common Missspellings: Alium, Alleum, Aleum, Alliem, Alieum, Aleam, Alleam

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