Thai Basil 'Siam Queen' (Ocimum × citriodorum 'Siam Queen'): AAS-Winning Ornamental and Culinary Basil

Overview

Thai basil 'Siam Queen' (Ocimum × citriodorum 'Siam Queen') is an All-America Selections winner, prized for its ornamental beauty and intense, licorice-anise flavor essential to Southeast Asian cuisine. It grows 18-24 inches tall with deep green leaves, purple stems, and large, showy violet-pink flower heads that attract pollinators.

Botanical Details

• Family: Lamiaceae (mint family)
• Genus: Ocimum
• Species: × citriodorum
• Cultivar: 'Siam Queen' (syn. 'Thai Siam Queen')
• Synonyms: Ocimum basilicum, O. basilicum var. citriodorum

Growing & Culinary Uses

Plant after frost in full sun, fertile, well-drained soil. Pinch flowers to prolong leaf production, but allow some for ornament and bees. Leaves hold flavor well in high-heat cooking (curries, stir-fries, pho). Also beautiful in containers and mixed borders. Annual in most climates.