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Allium ‘Guardsman hybrid onion’

Ornamental allium

Garden

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Features

  • BloomsMay to July
  • Height0.3m to 1m
  • Spread0.25m to 0.6m
  • Growth HabitRosette
  • Flower ColourVarious
  • Leaf ColourBlue-green

Description

Allium ‘Guardsman hybrid onion’ (Ornamental allium). This is cross between a Western spring onion and a Japanese species. (F1 hybrid: cross between A. fistulosum and A. cepa). Medium to dark green leaves. Very vigorous; well blanched with some bulbing.

Characteristics

Perennial, Bulb, Fragrant

Other common names

Onion

Origin

Mountainous areas of Northern hemisphere.

Linnaeus first described the genus Allium (the Latin word for garlic) in 1753.

Interest and use

Grown for their edible bulbs and leaves.

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Needs

  • LightFull sun
  • HardinessFrost hardy (min -5°C)
  • SoilWell drained, Fertile
  • Soil pH6.0 to 8.0
  • WaterDry

Cultivation

They are fully to frost hardy, and will require an open, sunny situation with well drained soil. If left undisturbed a clump can be formed. Plant at a depth of approximately 12cm.

Propagation

Propagation is by offsets, by seed in autumn or by division of clumps (spring flowering varieties in late summer and summer flowering varieties in spring).

Pests, diseases or disorders

Prone to white rot, downy mildew, eelworm, rust and onion fly.

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