African Basil (Ocimum gratissimum)

African Basil

Ocimum gratissimum

Its clove-scented leaves carry warm, spicy aroma. Evergreen herbaceous perennial; common names: African basil, clove basil.

Full sun
2–3/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; tolerates bright indirect light for indoor cultivation; avoid prolonged harsh midday sun to prevent leaf scorch
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Watering Water thoroughly when the top 2 cm of soil feels dry; avoid overwatering to prevent root rot and fungal growth
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Temperature Thrives in warm tropical to subtemperate conditions; protect from frost and temperatures below 10°C to avoid leaf damage
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Characteristics

  • Leaf: Opposite, ovate to lanceolate leaves with serrated margins; glossy green, emits clove-like scent when crushed
  • Flower: Small white to pale lavender tubular blooms in terminal spikes
  • Stem: Square, green to purplish stems with fine pubescence
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Care Guide

Watering

Keep soil consistently moist but not waterlogged; mist foliage during dry, hot periods to boost ambient humidity

Fertilization

Diluted balanced liquid feed every 2 weeks. Cease fertilization in autumn and winter when plant growth slows significantly

Banana peel tea:Chop 2–3 banana peels, soak in 1 liter of water for 3 days, strain solids, and dilute 1:10 with water for root drenching to support healthy foliage growth
Pruning
  • Pinch back growing tips regularly to encourage bushy, compact growth
  • Remove spent flower spikes to redirect energy to foliage production
  • Trim yellowing or damaged leaves to maintain plant health and visual appeal
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no adverse effects from ingestion

Humans: No known toxicity to humans; safe for culinary and medicinal use in moderate amounts

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Garden Uses & Culture

Culture: Used in traditional African and Southeast Asian folk medicine for its antimicrobial and anti-inflammatory properties

Usage: Culinary herb for flavoring soups, stews, and teas; ornamental pollinator attractor for bees and butterflies