Basil Thai
Ocimum basilicum var. thyrsiflorum
herbThai basil is a heat-loving culinary herb with narrow, purple-tinged leaves and distinctive anise-clove flavour. It thrives in warm conditions and produces attractive purple flower spikes used in Asian cuisine, particularly Thai and Vietnamese dishes. This variety is more robust than sweet basil and tolerates hot, humid climates.
Common Problems
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Care Guide
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Light
Full sun (6–8 hours daily); requires intense light for best flavour development.
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Water
Keep soil evenly moist during growing season; water when top inch feels dry. Reduce in cooler months.
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Soil
Well-draining, fertile soil with pH 6.0–7.0; enriched with compost or potting mix.
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Fertiliser
Light to moderate feeder; apply balanced liquid fertilizer (5–5–5) every 2–3 weeks during active growth.
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Temperature
Thrives at 70–85°F (21–29°C); slow growth below 60°F (15°C). Highly frost-sensitive.
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Humidity
Moderate to high humidity (50–70%); mist leaves occasionally but avoid wetting foliage at night to prevent fungal issues.
Toxicity
check_circleSafe for Catscheck_circleSafe for Dogscheck_circleSafe for Children
Safe for all. Contains estragole in small amounts; safe for culinary use in normal quantities.
Common Diseases
Common Pests
Seasonal Care
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Resume regular watering and feeding as growth picks up.
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Peak growing season. Water and feed regularly.
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Reduce watering as growth slows. Stop heavy feeding.
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Minimal watering and feeding. Protect from frost if needed.