EVERGREEN

Plant Encyclopedia

Allium fistulosum (Welsh onion, "Negi")

Japanese name: ネギ (葱)
Scientific name: Allium fistulosum

[Overview]
A perennial thought to be a cultivated species that originated in China.
There are strains such as nebuka-negi, whose leaf sheaths are blanched long by hilling up soil, and ha-negi (leaf negi), which is not specially blanched.
The leaves are tubular and hollow with pointed tips, and the surface is covered with wax.
Many flowers form a ball at the tip of the flower stalk, and this flower head is commonly called negi-bozu.

[History]
In Japan it is already named in the Nihon Shoki, and it was cultivated in the Heian period.

[Cultivation]
Pests and diseases include virus diseases, aphids and leafminer flies.

Details

Names
English: Welsh onion, Japanese bunching onion, bunching onion
Japanese: ネギ(葱)、ヒトモジグサ(一文字草)
Life form
Perennial
Habit
Terrestrial
Planting (or sowing) season
March, April, July, August
Flowering season
May, June
Leaf shape
Linear
Leaf arrangement
Basal
Leaf margin
Entire
Inflorescence
Umbel
Number of petals
6
Flower color
White
Leaf color
Green
Availability of seeds and plants
Low
Form sold
Seedlings
Sun exposure
Full sun
Soil needs
Required
Suitable uses
Flower bed, Paddy field greening, Container
Diseases
Downy mildew, Rust, Black spot, Southern blight
Pests
Aphids, Onion thrips, Allium leafminers, Armyworms, Leek moths, Cutworms
Edible parts
Leaves
Uses
Edible, Medicinal
Japan Flower Trade Code
23520

Translated from our Japanese encyclopedia. If anything differs, the Japanese page is correct.

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