Photo by Melody

PlantFiles: Japanese Bunching Onion, Welsh Onion, Multiplier Onion, Scallion, Green Onion
Allium fistulosum

Family: Alliaceae
Genus: Allium (AL-ee-um) (Info)
Species: fistulosum (fist-yoo-LOW-sum) (Info)

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13 members have or want this plant for trade.

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18-24 in. (45-60 cm)

6-9 in. (15-22 cm)

USDA Zone 3a: to -39.9 C (-40 F)
USDA Zone 3b: to -37.2 C (-35 F)
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Unknown - Tell us

Bloom Color:
Pale Pink
Pale Yellow
White/Near White

Bloom Time:
Mid Summer


Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
By tip layering

Seed Collecting:
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored

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By Weezingreens
Thumbnail #1 of Allium fistulosum by Weezingreens

By Todd_Boland
Thumbnail #2 of Allium fistulosum by Todd_Boland

By love0gardening
Thumbnail #3 of Allium fistulosum by love0gardening

By saya
Thumbnail #4 of Allium fistulosum by saya

By saya
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2 positives
1 neutral
No negatives

Gardeners' Notes:

Positive love0gardening On May 7, 2009, love0gardening from West Milford, NJ (Zone 6a) wrote:

This is a great addition to the garden. They come back every year in zone 5, multiplying but not taking over, and have great flowers. I use them like scallions.

Neutral trifunov On Oct 21, 2004, trifunov from Brandon, MS (Zone 8a) wrote:

Sow from early spring to midsummer. In coastal areas can sow right through the winter. Germinate in 10-21 days. Thin to stand 3in apart when 1-2in high. Does not form bulbs (eat like a "Spring onion").

Positive kadawn74 On Jul 29, 2004, kadawn74 from Portland, OR (Zone 8b) wrote:

These are so satisfying to grow, sprout quickly, and are easy to watch as they progress. I have been known to harvest one or two (or three) as early as 3 weeks. At that age they are tiny but just as tasty!


This plant has been said to grow in the following regions:

Ranburne, Alabama
Seward, Alaska
Tucson, Arizona (2 reports)
Clovis, California
San Jose, California
Indianapolis, Indiana
Eveleth, Minnesota
Neptune, New Jersey
West Milford, New Jersey
, Newfoundland and Labrador
Portland, Oregon
Spokane, Washington

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