Ruderalis is an annual plant. It is one of the three classifications of cannabis, the others being sativa and indica. This species of cannabis originated in Russia. Ruderalis is less common than indica and sativa. It rarely grows over two feet and matures in roughly 7 weeks. ruderalis will produce flowers based on age rather than the light cycle that indica and sativa require. There is less THC in ruderalis but, is often high in CBD.