Spinach
Amaranthus spp.

- Days to harvest
- 25–40 days
- Sunlight
- 4–7 hours/day
- Watering
- 1–1 per day
- Plant spacing
- 20 cm
- Minimum container size
- 15cm deep × 20cm wide
- Container-friendly
- 3 plants per container
- Estimated yield
- 200 kg / 100m²
- Life span
- annual
Climate Requirements
- Ideal temperature
- 25-35 °C
- Annual rainfall
- 1500-3000 mm
- Humidity
- 60-80%
- Heat tolerance
- high
- Drought tolerance
- moderate
Heat-loving tropical green. Performs well in urban environments. During extended dry periods, maintain soil moisture with mulching. Fast-growing — harvest in 21-30 days.
Soil & Planting
Planting method
Direct seeding; broadcast or row
Soil requirements
Light, well-drained soil rich in organic matter
Companion Plants
- Water Spinachmoderate
Compatible water needs; fast dual-harvest rotation on same plot, maximising density
- Spring Onionweak
Spring onion allium scent reduces caterpillar activity on bayam leaves
- Lady's Fingermoderate
Okra provides light shade that reduces bolting of bayam in peak heat; mutually beneficial spacing
Plants to Avoid Nearby
- Cherry Tomato
Tomato is allelopathic to many leafy greens; root exudates can suppress bayam germination and slow establishment
Common Pests & Diseases
Common pests
Safety Notes
Leafy green with high nitrate accumulation potential. Avoid excessive nitrogen fertiliser. Observe 7-day PHI for pesticides. Wash thoroughly before consumption. Store in refrigerator to prevent nitrate conversion.
Market Demand
Very high; consumed daily in Malaysian households
Regional Notes
Fast growing in tropical heat
Sources
- Leafy Vegetables for Malaysian Climate — MARDI · Last reviewed: 2024-07-10
Wikimedia Commons, CC BY-SA 3.0
Category: Leafy Greens
