InBonsai

Spice Herbs

Hung Lang Mint

(MENTHA AQUATICA)

Hung Lang mint is a specialty herb of Lang Ha ward, Hanoi. It has a gentle, attractive aroma, indispensable in dishes like bun cha and spring rolls.

Conditions

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20-25°C Mild, Warm
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Moist No waterlogging
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Loamy Loose, pH Neutral

Preparation

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Cuttings 4-5cm stems
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Sunlight Light loving
Spacing: 20x10cm
Hung Lang Mint

Hung Lang

Mentha aquatica L

High
Economic Value
20
Days/Harvest
spa

1. Bio Characteristics

Creeping herbaceous plant. Dark purple stems. Egg-shaped leaves. Flowers in whorls.

Optimal Growth: 20-25°C
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2. Uses

Special spice for bun cha, spring rolls. High economic value.

Profit: ~60%
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3. Cultivation

Best planted in Aug-Sept. Loose soil, neutral pH.

water
Water 2x
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Cuttings
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15-20cm

favorite I. Uses & Value

Hung Lang mint is a specialty herb of Lang Ha ward, Dong Da district, Hanoi. It possesses a gentle, attractive aroma and is an essential ingredient in traditional dishes such as bun cha, fried spring rolls (nem), and mixed fresh herbs.

"60% Profit Margin - Revenue approx. 10 million VND per 'sao' (360m²)"

Note: While grown elsewhere, the mint grown in Lang area remains the most famous due to its distinct fragrance. Currently, cultivation area is shrinking due to urbanization.

spa II. Biological Characteristics

  • Stems & Leaves: Herbaceous plant that creeps and grows in clumps. Stems and petioles are dark purple. Leaves are egg-shaped, small at both ends, with shallow serrated edges.
  • Flowers & Seeds: Flowers grow in whorls at leaf axils (5-6 flowers/whorl), white or purple. Seeds are black, containing essential oil.
  • Climate: Prefers mild, warm climates (20-25°C). Loves sunlight.
  • Water & Soil: Moisture-loving but cannot withstand waterlogging. Prefers loose soil, free of weeds, neutral pH, sandy loam or light loam.

agriculture III. Cultivation Techniques

1. Season & Variety

  • Season: Can be grown year-round, but best in August-September.
  • Propagation: Vegetative propagation (stem cuttings). Use healthy 4-5cm cuttings free from pests.

2. Soil & Fertilizers

Soil Prep: Plough carefully, ensure loose soil, weed-free. Sun-dry soil if possible. Raise beds 0.15-0.20m high, 1.1-1.2m wide.

Fertilizer for 1,000m²:

  • check_circle Manure: 1.0 - 1.5 tons
  • check_circle Superphosphate: 25 - 30kg
  • check_circle Potassium Chloride: 12 - 15kg
  • check_circle NPK: 30 - 40kg

* Note: Do not use fresh manure or untreated wastewater. Limit inorganic nitrogen to preserve the fragrance.

* Base dressing: All manure + Phosphate + 1/3 NPK + 1/2 Potassium. Mix into topsoil.

3. Planting & Care

  • Planting: Rows 15-20cm apart, plants 8-10cm apart. 2-3 stems per hole. Bury at least one node for root development.
  • Care:
    - Watering: Twice a day (morning, afternoon) initially. Every 2 days once established. Use clean water, do not flood irrigation.
    - Weeding: Hand weeding. Lightly loosen soil if compacted.
    - Top dressing: After harvesting, apply NPK (1.0 - 1.5%) or scatter between rows and water.
  • Pests: Root rot is common. Use integrated pest management and herbal pesticides if needed.

inventory_2 IV. Harvest & Preservation

  • Harvest: Harvestable year-round. Average every 20 days. Harvest late at night or early morning. Bundle into small bunches.
  • Conservation: In late winter, remove old/diseased leaves, apply ash, mound soil around roots to overwinter for next year.
Fertilizer (per 1,000m²)
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1-1.5 Tons Manure
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30-40 kg NPK
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25-30 kg Superphosphate
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12-15 kg Potassium

Growth Process

Planting

Best in Aug-Sept. 4-5cm cuttings.

Care

Water daily, hand weed, NPK top up.

Harvest

Every 20 days.

Overwintering

Protect roots for next season.