Thai basil is a green plant. 

Thai basil is a special plant. 

Thai basil is a tasty plant from Southeast Asia. 
Thai basil has pink and purple flowers. 
This plant loves the heat. It needs a warm place with no frost. It also needs 6 to 8 hours of sun each day. You can grow it from seeds or cuttings. To keep the leaves from tasting bitter, you should pinch off the flowers. You can pick a few leaves at a time. This helps the plant grow back more leaves.
Thai basil is a special plant from Southeast Asia. 
This plant has a very specific look. It has narrow, shiny green leaves. These leaves have slightly jagged edges. The stems are a pretty purple color. Like other plants in the mint family, the stems are square. The leaves grow in pairs on opposite sides. 
Scientists use names to group these plants. Thai basil is a variety of sweet basil. Its scientific name is Ocimum basilicum var. thyrsiflora. The name for the whole group, Ocimum, comes from a Greek word. That word means "to smell." This is a good name because many of these plants have strong scents. There are over 40 different types of basil. This can make it hard to tell them apart. Some people call it anise basil or licorice basil. 
Many people use Thai basil in delicious meals. It is a main part of Thai green and red curries. In Vietnam, people eat raw leaves with dishes like phở. These leaves help people season their food to their own taste. In Taiwan, the plant is called the "nine-storey pagoda." It is also used in a dish called sanbeiji. This is a popular Taiwanese three-cup chicken dish. In Western kitchens, it is the most common basil for Asian cooking.
Growing Thai basil is a fun way to garden. It is a tropical plant that loves the heat. It needs a place with no frost. It also needs 6 to 8 hours of full sunlight every day. You can grow it from seeds or from cuttings. The soil should be fertile and drain water well. You should pinch off the flowers as they grow. This stops the leaves from tasting bitter. If you pick leaves often, the plant will grow back. 
Thai basil is a distinctive plant native to Southeast Asia. 
The physical structure of Thai basil is very specific. It is a sturdy and compact plant. The leaves are narrow, shiny, and green with slightly serrated edges. These leaves have a sweet scent that reminds people of anise or licorice. The plant also has a slight spiciness that sweet basil lacks. One of its most recognizable features is its purple stem. Because it belongs to the Lamiaceae family, the stem has a square shape. The leaves grow in an opposite and decussate pattern. 
Flowers are a major part of the Thai basil's appearance. The plant produces flowers in a structure called a thyrse. This type of inflorescence, or flower cluster, is purple in color. When the individual flowers open, they appear pink. These flowers can be seen during the midsummer and late summer months. 
There are many different types of basil, which can cause confusion. There are over 40 different cultivars in existence. Thai basil is sometimes called anise basil or licorice basil. In Vietnam, it is sometimes called cinnamon basil, though that name often refers to a different cultivar. In Taiwan, the plant is known as káu-chàn-thah. This name literally translates to "nine-storey pagoda." It is important to distinguish Thai basil from other common varieties used in Asia. 
In Southeast Asian cooking, three main types of basil are common. First is Thai basil, also called horapha. It is a major ingredient in Vietnamese cuisine and is common in Western Asian cooking. Second is holy basil, or kaphrao. This variety has a spicy, peppery, and clove-like taste. It is very important in India for culinary, medicinal, and religious uses. Third is lemon basil, or maenglak. This type has scents and tastes with lemon undertones. It is the least commonly used basil in Thailand.
Thai basil plays a major role in many famous dishes. It is a frequent ingredient in Thai red and green curries. In Taiwan, it is essential for a dish called sanbeiji, or three-cup chicken. In Vietnam, raw leaves are often served as a condiment. People eat them with dishes like phở, bún bò Huế, or bánh xèo. This allows diners to season their food with the anise flavor. In Western countries, Thai basil is often used in dishes that traditionally use holy basil. This is because Thai basil is much easier to find in Western kitchens.
Growing Thai basil requires specific environmental conditions. It is a tender perennial, but most people grow it as an annual. As a tropical plant, it needs very warm climates. It is only hardy in USDA plant hardiness zone 10. This means it cannot survive in areas with frost. The plant needs fertile soil that drains water well. The soil pH should stay between 6.5 and 7.5. It also requires 6 to 8 hours of full sunlight every single day. 
Gardeners can grow the plant from seeds or from cuttings. To keep the leaves tasting good, you must pinch off the flowers. If the flowers are allowed to grow, the leaves can become bitter. You can also harvest the plant repeatedly. By taking only a few leaves at a time, you encourage the plant to regrow. This periodic harvesting helps keep the plant productive for a longer time.
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