InBonsai

Spices & Herbs

SCALLION

(Allium fistulosum)

Important cooking herb, essential for many dishes like Hanoi Pho. Also used in folk medicine for colds and coughs.

Conditions

thermostat
18-25°C Mild Climate
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Moist No waterlogging
landscape
Humus-rich pH 6.0-6.5

Preparation

spa
Seeds 5-7g/m²
sunny
Light 12-13h/day
Seeds or bulb division
Scallion

Scallion

Allium fistulosum

90%
Cuisine
40 Days
Harvest
spa

1. Biology

Herbaceous, fibrous roots. Tubular leaves, 30-40cm long. Poor drought/flood tolerance.

Growth: Fast
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2. Usage

Standard spice (pho, soups). Folk remedy for colds. High economic value.

Popularity: 95%
agriculture

3. Cultivation

330-440k clumps/1000m². Sow Aug-Sep (early), Sep-Oct (main).

water
1-2 times/day
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Light hoeing
layers
Hilling up

favorite I. USES & VALUE

  • Cuisine: A spice widely used from North to South. Indispensable in Hanoi Pho (blanched), added to soups or eaten raw.
  • Medicine & Folk: Used to treat colds, coughs, and many other uses in folk experience.
  • Economy: Growing scallions brings high economic efficiency, can be planted many crops a year.

spa II. BIOLOGICAL CHARACTERISTICS

  • Stem & Roots: Herbaceous, fibrous roots distributed in the topsoil layer. Poor drought tolerance, does not tolerate waterlogging.
  • Leaves: Tubular, round, 30-40cm long. False stem white formed by leaf sheaths.
  • Climate: Prefers mild climate (18-25°C). Loves light (12-13 hours/day). Better heat tolerance than onions.
  • Soil: Humus-rich soil, loose, sandy loam or light loam. pH 6.0 - 6.5.

agriculture III. CULTIVATION & CARE

1. Density & Seeding

  • Density: 330,000-440,000 clumps/1,000m². Spacing 20x15cm or 15x15cm.
  • Seeds: 5-7g seeds/m² or use separated clumps.

2. Seasons

  • Early: Sow Aug-Sep.
  • Main: Sow Sep-Oct.
  • Spring: Sow Jan-Feb.
  • South: Sow in dry season (Nov-Jan).

3. Care

  • Watering: 1-2 times/day. Stop watering 3-5 days after germination to harden roots.
  • Weeding: Lightly cultivate, hill up and weed 15-20 days after planting.
  • Fertilizing: Fertilize 3-4 times, avoid excessive inorganic nitrogen to prevent pests.

inventory_2 IV. HARVEST & STORAGE

Harvesting

  • Timing: Can be harvested 35-40 days after planting, or when plants have 4-5 leaves.
  • Method: Can thin plants to eat gradually or harvest entire clumps. Thinned plants can be used as seeds for next season.

Processing & Packing

  • Action: Pull gently, shake off soil, trim yellow leaves.
  • Packing: Bundle into 1-2kg bunches, do not tie too tight.
  • Note: Dip in clean water before consumption, can trim partly roots. Avoid crushing plants to keep freshness.
Technical Specs
south
1-1.5 cm Soil Depth
south_east
Topsoil Root Zone
straighten
20 x 15 cm Spacing
trending_up
10-15 tons/ha Yield

Growth Process

Sowing

Seeds or bulb division.

Care

15-20 days: cultivate, hill up.

Growth

Fertilize 3-4 times.

Harvest

35-40 days (4-5 leaves).