Sweet Basil
Ocimum basilicum

- Days to harvest
- 60–90 days
- Sunlight
- 6–8 hours/day
- Watering
- 1–1 per day
- Plant spacing
- 30 cm
- Minimum container size
- 20cm deep × 25cm wide
- Container-friendly
- 3 plants per container
- Estimated yield
- 80 kg / 100m²
- Life span
- annual
Climate Requirements
- Ideal temperature
- 25-35 °C
- Annual rainfall
- 1500-3000 mm
- Humidity
- 60-80%
- Heat tolerance
- moderate
- Drought tolerance
- moderate
Loves warm conditions but wilts in extreme heat above 35°C. In urban settings, morning sun with afternoon shade works best. Water consistently during dry spells.
Soil & Planting
Planting method
Direct seeding or transplanting
Soil requirements
Well-drained loamy soil, pH 6.0-7.0
Companion Plants
- Cherry Tomatostrong
Premier companion pair globally: basil volatile oils (linalool, eugenol) proven to repel thrips, aphids, spider mites from tomato foliage and flowers; may improve fruit flavour
- Bird's Eye Chilistrong
Basil repels aphids, thrips, and spider mites from chili; both require similar watering; basil living mulch reduces soil moisture loss around chili base
- Eggplantstrong
Basil deters eggplant fruit and shoot borer through volatile compounds; improves fruit set by attracting pollinators
- Cucumbermoderate
Basil beetle-repelling volatiles protect cucumber from cucumber beetle attack; different root zones avoid competition
- Bell Peppermoderate
Bell pepper canopy shelters basil from direct sun; basil repels pepper pests
Plants to Avoid Nearby
- Cilantro
Coriander and basil produce allelopathic root exudates that suppress each other's germination and seedling growth when planted in close proximity; keep minimum 50 cm apart
Common Pests & Diseases
Safety Notes
Herb consumed fresh — avoid all chemical pesticides. Use only organic methods (neem oil, companion planting). Harvest before flowering for best flavour. Safe for continuous harvest if chemical-free.
Market Demand
Steady demand from restaurants and home cooks
Regional Notes
Grows year-round in Malaysian lowlands
Sources
- Malaysian Herb Growing Guide — MARDI · Last reviewed: 2024-06-15
Wikimedia Commons, CC BY-SA 3.0
Category: Herbs
