Indica or Cannabis Indica is a kind of the Cannabis plant that is grown mainly in British Columbia Canada. They are generally characterized by broad leaves on a dense and short plant. Strains of Indica usually have a height between 3 and 6 feet. They have soft marble colored seeds as well. They have more sedative properties and are often used in the treatment of insomnia, anxiety, headaches and migraines, pressing pain and also for muscle spasms. If you are looking to buy Indica online then some of the best Indica strains that you need to look for are Romulan and Nuken.