Thai Basil: What It Is, Where to Find It in South Carolina, and How to Use It

Thai basil is a peppery, licorice-scented herb that tastes sharper and more complex than the sweet basil used in Italian cooking

Thai basil has narrow, pointed leaves and a purple-tinged stem. The flavor is distinctly different from Mediterranean basil—it carries notes of anise and black pepper, with a slight heat that builds on the tongue. You'll find it as a finishing herb in pad krapow (stir-fried meat with basil), in curries, and in soups, where it's often added at the very end so the heat doesn't cook away.

In South Carolina, Thai basil appears at farmers markets during summer and early fall, in the produce sections of Asian grocery stores year-round, and at specialty grocers in Charleston, Columbia, and Greenville. Some restaurants grow their own or source it fresh from local farms. If you can't find fresh Thai basil, dried versions exist, though the flavor is considerably muted.

Key Takeaways

• Thai basil has a peppery, licorice flavor that's stronger and more complex than sweet basil, and it's used as a finishing herb rather than a cooking base.
• South Carolina farmers markets carry fresh Thai basil in summer and early fall, and Asian grocery stores stock it year-round, fresh or dried.
• The best way to preserve Thai basil at home is to freeze it in oil or dry it slowly in a cool, dark place, since it wilts quickly in the refrigerator.
• Thai basil grows well in South Carolina gardens during warm months and can be started from seed indoors in spring for transplanting after frost.

Where to Buy Thai Basil in South Carolina

Farmers markets in Charleston, Columbia, Greenville, and smaller towns stock Thai basil during the growing season, typically June through September. Vendors who specialize in Asian vegetables or herbs are your best bet—ask at the market office if you're not sure who carries it. The Greenville Farmers Market and the Charleston Farmers Market both have regular vendors selling Asian produce.

Asian grocery stores are your year-round source. In Charleston, try Harris Teeter's international section or dedicated Asian markets in the downtown and West Ashley areas. Columbia has several Asian grocers near the university, and Greenville's growing Asian community supports multiple stores. Call ahead to confirm they have fresh Thai basil in stock, since supplies vary by season and demand.

Specialty grocers like Harris Teeter, Food Lion, and Whole Foods sometimes carry Thai basil in their produce sections, particularly in larger stores in urban areas. Availability is inconsistent, so don't count on finding it there regularly. Some restaurants that specialize in Thai cuisine will sell you a small bunch if you ask—it's worth calling ahead.

Growing Thai Basil in Your South Carolina Garden

Thai basil thrives in South Carolina's warm season and grows quickly from seed. Start seeds indoors in late March or early April, then transplant seedlings outside after the last frost date for your area (typically mid-April in the Lowcountry, mid-May in the Upstate). Plant in full sun with well-draining soil and space plants 6 to 8 inches apart.

Water regularly—Thai basil prefers consistently moist soil but not waterlogged conditions. Pinch off flower buds as they appear to encourage leaf growth and extend the harvest. You can begin harvesting leaves about 6 weeks after transplanting. In South Carolina's heat, Thai basil will produce heavily through August, then slow down as days shorten in fall.

Thai basil is an annual and won't survive South Carolina winters outdoors. Dig up a plant in September, pot it, and bring it inside to a sunny windowsill to extend the harvest into early winter. Alternatively, let it go to seed and collect the seeds for next year's planting.

How to Store and Preserve Thai Basil

Fresh Thai basil wilts quickly. Store it in a glass of water on the counter (like cut flowers) for up to a week, or wrap the stems loosely in a damp paper towel and refrigerate in a plastic bag for 3 to 5 days. Don't wash it until you're ready to use it.

To freeze Thai basil, chop the leaves and pack them into ice cube trays with a little neutral oil (vegetable or coconut), then freeze. Pop out the cubes and store them in a freezer bag. These work well in cooked dishes but won't have the fresh texture of raw basil. Dried Thai basil is less flavorful but lasts for months in an airtight container in a cool, dark place. Hang small bunches upside down in a warm, dry room away from direct sunlight for about two weeks.

Using Thai Basil in Cooking

Thai basil is almost always added at the end of cooking, just before serving. Heat causes the volatile oils to evaporate, so cooking it destroys the flavor you're after. Tear or chop the leaves by hand rather than cutting with a knife, which can bruise them and cause browning.

Use Thai basil in pad krapow (stir-fried pork, chicken, or beef with basil and chilies), in Thai curries added at the last moment, in pho and other soups as a garnish, and in stir-fries of vegetables or seafood. It pairs well with lime, fish sauce, chilies, and garlic. A small handful of fresh leaves can transform a simple stir-fry into something with real depth.

Thai basil also works in cocktails—muddled with lime and sugar, it adds complexity to drinks. Some South Carolina bartenders use it in house-made syrups or as a garnish for spirit-forward drinks.

Thai Basil vs. Other Basil Varieties

Sweet basil, the kind used in Italian cooking and pesto, has a milder, more floral flavor and broader leaves. It's much easier to find in South Carolina and grows readily in home gardens. Holy basil (also called tulsi) is another Thai variety with a more medicinal, clove-like taste and is sometimes used in Thai cooking, though it's less common than Thai basil. Lemon basil has a citrus note and is occasionally available at farmers markets.

If you can't find Thai basil, sweet basil is not a direct substitute—the dishes will taste different. In a pinch, a combination of sweet basil with a tiny pinch of anise seed or fennel can approximate the flavor, but it won't be the same. For authentic Thai cooking, it's worth seeking out the real thing.

Restaurants and Markets Featuring Thai Basil in South Carolina

Thai restaurants throughout South Carolina use fresh Thai basil in their kitchens. In Charleston, restaurants like Basil and Lime and Cha Cha's Tacos (which uses it in Vietnamese-inspired dishes) source it regularly. Columbia's Thai restaurants near the university district do the same. Greenville has several Thai and Southeast Asian restaurants that feature the herb prominently.

If you're looking to see Thai basil in action before cooking with it yourself, ordering pad krapow at a Thai restaurant gives you a clear sense of how it should taste and how it's used. Many chefs are happy to talk about sourcing and preparation if you ask.

Frequently Asked Questions

Can I use dried Thai basil instead of fresh?

Dried Thai basil has a fraction of the flavor of fresh and loses much of the peppery, licorice quality. It works in a pinch for cooked dishes like curries, but it won't give you the bright, complex taste you get from fresh. If you're using dried, add it early in cooking so it has time to rehydrate and release flavor.

Where do I find Thai basil seeds to grow my own?

Thai basil seeds are available online from seed companies like Johnny's Selected Seeds, Burpee, and specialty Asian seed suppliers. Local garden centers in South Carolina sometimes carry them in spring, though selection is limited. Order seeds in winter for spring planting.

What's the difference between Thai basil and holy basil?

Holy basil (tulsi) has a more medicinal, clove-forward flavor and is sometimes used in Thai cooking, but it's not the same as Thai basil. Thai basil is what you want for pad krapow and most Thai dishes. Holy basil is more common in Ayurvedic cooking and herbal teas.

Can I grow Thai basil indoors year-round in South Carolina?

Yes, if you have a sunny windowsill or grow lights. Thai basil needs at least 6 to 8 hours of light daily and warm temperatures (above 60 degrees). Indoor plants grow more slowly than outdoor ones and are more prone to pests, but it's possible to maintain a small supply through winter.

How much fresh Thai basil should I use in a recipe?

Start with a small handful (roughly 1/4 to 1/2 cup of loosely packed leaves) for a dish serving four people. Thai basil is potent, so it's easy to add more but impossible to remove it once it's in. Taste as you go and adjust to your preference.