Bok Choy
Brassica rapa subsp. chinensis

- Days to harvest
- 45–60 days
- Sunlight
- 5–7 hours/day
- Watering
- 1–1 per day
- Plant spacing
- 25 cm
- Minimum container size
- 20cm deep × 25cm wide
- Container-friendly
- 2 plants per container
- Estimated yield
- 100 kg / 100m²
- Life span
- annual
Climate Requirements
- Ideal temperature
- 25-32 °C
- Annual rainfall
- 1500-2500 mm
- Humidity
- 60-80%
- Heat tolerance
- low
- Drought tolerance
- low
Soil & Planting
Planting method
Direct seeding or transplanting
Soil requirements
Well-drained fertile soil
Companion Plants
- Spring Onionstrong
Same DBM-disruption effect as for sawi; plant at 1:3 ratio (1 row onion to 3 rows pakcoy)
- Cilantrostrong
Attracts beneficial wasps (Cotesia plutellae) that parasitise DBM larvae on pakcoy
Plants to Avoid Nearby
- Cherry Tomato
Allelopathic competition — tomato root compounds suppress Brassica seedling establishment
- Mustard Greens
Planting same-genus Brassicas in adjacent cycles (not the same time) risks sequential clubroot and blackrot build-up in soil
Common Pests & Diseases
Common pests
Safety Notes
Leafy vegetable consumed whole — avoid systemic pesticides. Use floating row covers for pest exclusion. Harvest young for tender leaves. Observe strict 7-day PHI if any spray treatment needed.
Market Demand
Moderate local demand
Regional Notes
Suitable for Malaysian urban gardens
Sources
- Leafy Vegetables for Malaysian Climate — MARDI · Last reviewed: 2024-07-10
Category: Leafy Greens
