Green Kalimantan Kratom, generally referred to as Green Kali Kratom or simply Green Kali is a powerhouse herb. Green Kali is grown in one of the world’s most biodiverse regions on Earth. Kalimantan, Indonesia. Green Kali kratom is grown in the Kalimantan (Kali) region of Indonesia. Indonesia is one of the most popular places for growing kratom due to the lush tropical rainforests and fertile soil.