Thai basil seeds are the authentic heirloom basil variety that is native to southeast Asia. Highly regarded for its distinctive, spicy flavour. Vigorous, highly ornamental plants with purple stalks and flowers that open to pink, providing a nice contrast to its dark green leaves. This variety is particularly productive in hot weather, with plenty of moisture. This Basil loves water, sun, and heat. so grow in the hottest sunny location and provide plenty of water.