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Allium fistulosum

Common Name(s): Welsh onion; Japanese bunching onion
Family: Liliaceae
Growth Habit: Perennial
Growing Days: 60 to 160 (days)
Abs.Max=86° (F)    Opt.Max=77° (F)
Opt.Min=54° (F)    Abs.Min=43° (F)
Precipitation: 33 to 63 (in.)
Winter Minimum:
Soil pH: 6.6 to 7.4
Soil Texture/Type: Medium textured organic soils
Soil Drainage: Well
Photoperiod Response: Long day, short day and day neutral
Light Intensity: Clear
Prefers medium to shallow soils of high fertility. Little salt tolerance.
Cercospora, Rhizoctonia, Anthrachose
Genetic - onion, Food - vegetable, Additive - flavoring
Subtropical-humid, temperate marine, tropical-rainy, temperate-continental
Geographical Origin:
Only cultivated
Metric Units

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