Thai basil is an aromatic, flavorful variety essential in many Southeast Asian dishes, particularly in Thai cuisine. Its leaves offer a slightly spicy and sweet flavor, reminiscent of cinnamon and anise. Compact and highly ornamental, the plant features dark green foliage with purple hues and produces beautiful rose-purple flower spikes throughout the summer. Thai basil thrives in warm, sunny locations and is perfect for growing in containers or herb gardens.

Where to grow Thai basil?
This plant is suitable for zones 3 to 9 when grown as an annual. It prefers full sun and rich, well-drained soil. It is ideal for raised beds, containers, and protected areas. It requires warm soil to germinate and grow well.

History and Traditional Uses
An essential ingredient in Thai, Vietnamese, and Laotian cuisines, Thai basil has been used for centuries in soups, curries, fresh rolls, and infusions. Its flavor and appearance also make it a highly valued plant in both edible and ornamental gardens.

Information for Canadian Zones
Zones 8-9: Direct sow outdoors after the last frost or transplant seedlings started indoors.
Zones 5-7: Start indoors 4 to 6 weeks before the last frost, then transplant when temperatures are warm.
Zones 3-4: Grow in containers or protected spaces; transplant after all risk of frost.

How to Grow and Harvest Thai Basil

Planting: Start seeds indoors at 0.5 cm (¼ in) deep in early spring; transplant when temperatures remain above 10 °C.
Watering: Keep soil evenly moist but well-drained; avoid overhead watering.
Harvesting: Begin harvesting when plants reach about 15 cm (6 in); pinch off tips to encourage bushier growth.
Maintenance: Remove flower stalks to prolong leaf production or let them bloom for pollinators.

Tips for Harvesting Seeds for Future Supply

Allow to flower: Allow a few plants to fully flower and produce seeds.
Harvesting seeds: Harvest dry flower heads and shake or rub them to release the seeds.
Drying and storing: Dry seeds completely and store in an airtight container in a cool, dark place.
Viability: Seeds remain viable for 3 to 5 years if stored properly.

Certified organic by
Islands Organic Producers Association (Certificate #1962)