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Allium 'Chicago'

139
Allium 'Chicago' is a somewhat more delicate ornamental onion with semi-spherical, violet-purple flower heads, which is ideal for planting in the middle of a border. A recent introduction.

Available to order from June 2026

Allium 'Chicago' is a somewhat more delicate ornamental onion with semi-spherical, violet-purple flower heads, which is ideal for planting in the middle of a border. A recent introduction.
139

Data sheet

Height in cm.
60-70
Flowering time in the months
5-6
Planting depth in cm.
10-12
Bulb spacing in cm.
20
Bulb size (see info)
10/+
Color
violet-purple
Light requirements
Sun to semi shade