Thai Basil (Ocimum basilicum var. thyrsiflora)
Regular price $19.95Anise-Scented Basil with Spicy Flavor
Learn about the complex-but-universal greatness of the Ocimum family when you grow and harvest bundles of Thai Basil (Ocimum basilicum var. thyrsiflora). This compact-type basil has distinctive traits and uses that make it a worthwhile addition to your herb garden. It can be planted as an ornamental, edible, or fragrant garden plant. Native to Southeast Asia, Thai Basil is known for its distinct anise-meets-licorice flavor, making it a highlight of local cuisines like soups, stir-fries, and curries. The flavor comes from its naturally high content of methyl chavicol.
At maturity, Thai Basil features narrow green leaves unfurling from purple stems, complemented by pink-purple flowers during the growing season. Like other basil varieties, Thai Basil is adaptable and prone to vigorous growth, with possible harvests throughout a single year. It is valued for its distinct aroma and heat tolerance in cooking, adding a peppery, warm, and spicy flavor compared to the sweeter basil types more commonly sold and grown.
Cultural & Culinary Significance
Thai Basil is native to Southeast Asia, where its distinctive anise-like flavor is an important part of local cooking. Its warm, peppery character works especially well in soups, stir-fries, and curries, where it adds an aromatic depth that differs from traditional sweet basil. The plant's naturally high methyl chavicol content contributes to its characteristic flavor and fragrance.
Beyond the kitchen, Thai Basil can be grown as an ornamental or fragrant garden plant. Its narrow green foliage, purple stems, and pink-purple flowers give it attractive visual interest, while its vigorous growth makes it easy to harvest regularly throughout the growing season.
Why Grow Thai Basil?
- Grow a distinctive basil variety with a complex anise-meets-licorice flavor.
- Add peppery, warm, and spicy notes to soups, stir-fries, curries, and other dishes.
- Enjoy vigorous growth with the potential for repeated harvests throughout the year in suitable climates.
- Bring attractive purple stems, narrow green leaves, and pink-purple flowers to herb and ornamental gardens.
- Grow an adaptable, heat-tolerant basil that is easy to care for and thrives with regular harvesting.
Growing Tips
Thai Basil is easy to grow in rich, well-draining, slightly acidic soil. Provide full sun to part shade and consistent moisture, allowing excess water to drain freely. Harvest basil as often as its growth allows to encourage continued production and pinch back growing tips to maintain a compact, bushy shape. It can be grown as a perennial evergreen herb in warm climates and as an annual north of Zone 8. Plants can be started from seed and are ready to harvest within 3–4 weeks of sowing.
Quick Facts
| Attribute | Details |
|---|---|
| Botanical Name | Ocimum basilicum var. thyrsiflora |
| Common Names | Thai Basil |
| Family | Lamiaceae |
| Origin | Southeast Asia |
| Plant Type | Perennial Evergreen Herb; May be grown as an Annual north of Zone 8 |
| Life Cycle | Perennial in warm climates; Annual north of Zone 8 |
| Mature Size | Up to 2 ft. tall and 2 ft. wide |
| Light | Full Sun, Part Shade |
| Water Needs | Moderate |
| Soil | Rich, well-draining, slightly acidic soil |
| Bloom Time | Growing Season |
| Flower Color | Pink-Purple |
| USDA Zones | Outdoors 9–11 with frost protection; Patio/Greenhouse 4+ |
| Florida Native | No |
| Propagation | Grown from seed and ready to harvest now (within 3–4 weeks of sowing) |
| Seasonal Traits | Year-round harvest in suitable climates |
| Harvest Season | Year-round, as needed |
| Time to Harvest | 3–4 weeks from sowing |
| Self-Fertile | Yes |
| Growth Rate | Medium |
Wondering about your USDA Growing Zone and what you can grow? 🌎🌿 Learn how to find your Zone and grow tropical plants anywhere—Florida to Alaska! 👉 Read the full blog here!
We ship every plant plastic-free and planet-friendly—using compostable packaging, recyclable pots, and carbon-conscious shipping from start to finish. 🌎🌱👉 Our Commitment to Packaging & Shipping Sustainability
